Question

It a:
8.
5, fino
Ind the value of (2a + 3b) : (7a + 5b)
9. In a ratio which is equal to 3:8, if the antecedent is 51
10. If (3a + 4b): (5a + 6b) = 13:20, find a : : b.
117 What same number must be added to the terms of the
becomes 2 : 3?
12. Iwo numbers are in the ratio 5:7. If 25 is subtracted
becomes 35:59. Find the numbers.
What number should be subtracted from each of the
so that the new numbers are in proportion?
14. What number must be added to each of the number
new numbers are in proportion?
15. The present ages of Liam and Eli are in the ratio 7:
be in the ratio 4:3, find their present ages.
13.​

Answer 1

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Step-by-step explanation:

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