Question

Question content area top left
Part 1
Find the equivalent ratio with lower terms.
a. 20 font size decreased by 5 : font size decreased by 5 25equals12 ​: ​?
b. 12 font size decreased by 5 : font size decreased by 5 24equals​? ​: 12
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Question content area top right
Part 1
Bold times
3
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1
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12
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12
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24
5
25
6
Question content area bottom
Part 1
a. 20 font size decreased by 5 : font size decreased by 5 25equals12 font size decreased by 5 : font size decreased by 5 nothing

Answer 1

I think the ratios are:

a) 20 : 25 = 12 : ?
20/25 = 12/x → x = 12·25/20 = 300/20 = 15.
So 20:25 = 12:15 (which simplifies to 4:5).

b) 12 : 24 = ? : 12
12/24 = y/12 → y = 12·(12/24) = 12·1/2 = 6.
So 12:24 = 6:12 (which simplifies to 1:2).