 # Write the percent formula. percent x whole = part Exercise.

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Write the percent formula. percent x whole = part Exercise

What is 24% of 250? 60 Exercise

A merchant buys an item for \$50 and sells it for \$60. What is his markup rate? 20% Exercise

A merchant uses a markup rate of 12%. If he sells an item for \$28, what was his cost? \$25 Exercise

If a 5” x 7” photo is enlarged to 120%, what will the new dimensions be? 6” x 8.4” Exercise

Commission – percent of a sale that is the salesperson’s salary

Earnings – dollars of a sale that are the salesperson’s salary

Find the earnings if the commission is 7% and the amount of sales is \$3,750. The earnings on the sales are \$262.50. earnings = commission × sales = 0.07(3,750) = 262.50 Example 1

Find the commission if \$3,000 in sales earns a salesperson \$270. The commission is 9%. commission × sales = earnings 3,000c = 270 3,000 c = 0.09 Example 2

Miss Kay receives a 6% commission for selling houses. If she earned \$8,340 for the sale of a house, how much did the house sell for? The house sold for \$139,000. commission × sales = earnings 0.06s = 8,340 0.06 s = 139,000 Example 3

Find the earnings if a person gets 6% commission on sales of \$5,500. \$330 Example

Find the commission if a salesperson gets paid \$500 on sales of \$4,000. 12.5% Example

Find the sales if the commission is 8% and a salesperson earned \$400. \$5,000 Example

If a car salesperson gets 40% of the profit, how much did she earn if she sold a car that cost the dealership \$21,300 for \$25,500? \$1,680 Example

Tip – income paid for a personal service

tip = percent × total bill

How much of a tip should you leave at a restaurant if your bill is \$34.75 and you want to leave a 15% tip? Round to the nearest nickel. ≈ \$5.20 tip = percent x total bill = 0.15(34.75) = 5.2125 Example 4

A hairdresser gave a \$55 perm and received a \$10 tip. What percent did she receive? Round to the nearest percent. The hairdresser received about an 18% tip. percent × total bill = tip 55p = 10 55 p = 0.18 ≈ 0.18 Example 5

What percent did a waiter receive if he got a \$5 tip on a \$18.50 meal (to nearest percent)? 27% Example

How much, assuming a 15% rate, should someone tip a pizza delivery boy on four pizzas costing a total of \$30? \$4.50 Example

How much should someone tip a waitress on a meal of \$42.50, assuming the tip is 15% (to the nearest quarter)? \$6.50 Example

How much per hour can a barber make if he is paid a 25% commission and can do four haircuts in an hour? Haircuts cost \$15 and customers leave a 15% tip. \$24 Example

What is the actual cost of a \$10 meal if you assume tax at 8% and a tip of 15% paid on the total price of the meal (which includes tax)? \$12.42 Example

If a waitress gets \$3/hr. and hopes to get 15% tips, how much can she make in a week? She works 4 hr. for lunch and 4 hr. for dinner for 6 days. She can expect about 50 customers for lunch, with the average cost of lunch being \$7.50, and about 20 customers for dinner, with the average cost being \$35. \$1,111.50 Example

Percent equation percentxwhole=part Discount equation x= Markup equation x= Commission equation x= Tip equationx=

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