Adam and his dad share the cost of a meal in the ratio 2:3, adam's dad pays £52.20, what's the total cost of the meal?
1 answer:
This is a proportion problem. Start by doing:
2/3 = x/52.20
Multiply both sides by 52.20
X= 34.8 this is how much the son paid
Now add 34.8 + 52.20
Answer is 87
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