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SOLVING PROBLEMS Direct or Indirect Proportion

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1-Read the problems 2- Decide if it is direct or indirect proportion 3- Solve them Steps

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1. 44 kg of bananas cost $176. How much would 32 kg cost? 2. A person gets $980 for 14 days work. How many days should he work to get $2100? SOLVING PROBLEMS

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3) A car can travel 481 kilometers on 37 liters of gasoline. How much gasoline will it need to go 130 kilometers? 4) If 20 men can build a wall in 6 days, How many men are necessary if they have 12 days for building the same wall?

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5) A car travels 360 km in 60 liters of petrol. How much distance will it cover in 12 liters of petrol? 6) 8 taps having the same rate of flow, fill a tank in 27 minutes. If two taps go out of order, how long will the remaining taps take to fill the tank?

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7) If 5 men can build a wall in 6 days. In how many days 10 men will do it? 8) 12 men can paint the wall in 8 hours. How many men will paint the wall in 6 hours?

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9) 14 cows can graze a field in 28 days. How long would 11 cows take to graze the same field? 10) If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?

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11) A garrison of 500 men had provisions for 24 days. However, a reinforcement of 300 men arrived. The food will now last for _____________?. 12) If 18 dolls cost $ 630, how many dolls can be bought for $ 455?

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13) A hostel has enough food for 125 students for 16 days. How long will the food last if75 more students join them? 14) A boat can travel 132 kilometers on 66 liters of gasoline. How much gasoline will it need to go 88 kilometers?

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15) If the weight of 65 coffee packets of the same size is 26 kg. What is the weight of 25 such packets?

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