Problema Solution
1. two numbers are in the ratio of 7:11. if their difference is 88, find the sum of the two numbers?
2. 30 children at a camp have food provisions for 18 days. they are joined by 6 more children. how long will the food provisions last?
Answer provided by our tutors
Let 'x' and 'y' represent the numbers.
x : y = 7 : 11 cross-multiply
7y = 11x
y - x = 88
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click here to see the system of equations solved for x and y
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x = 154
y = 242
The sum of the two numbers is 154 + 242 = 396.