5. If 51 kilograms of rice can feed a family for 45 days, How many kilograms of rice are needed to feed the same family for 60 days?
A.60 kg
B. 68 kg
C. 70 kg
D. 72kg
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5. If 51 kilograms of rice can feed a family for 45 days, How many kilograms of rice are needed to feed the same family for 60 days?
A.60 kg
B. 68 kg
C. 70 kg
D. 72kg
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Answer:
ANSWER :
B. 68 kg
Step-by-step explanation:
Set "x" kg of rice are needed to feed the same family for too days
So we can get
51/45 = x/60
Answer:
B. 68 kg
Step-by-step explanation:
The ratio is a direct proportion 51 : 45 = x : 60
60 ÷ 45 = 4/3
51 × 4/3 = 68
This means that the value of x in the ratio and propotion is 68.