Question

f a:b = 2:3 and b:c = 4:5 then a:c = __________

b. 6% = _________ (express in decimals)

c. An equality of two ratios is called a ____________.

d. ¾ as percent is __________

e. If two angles are supplementary, then the sum of their measure is ___________​

Answer 1

Answer:

a.

4(a:b)= 8:12

3(b:c)=12:15

a:c = 8:15

b.

6% = 6/100 = 0.06

c.

proportion

d.

3/4 ×100 = 75%

e.

180°

Answer 2

Answer:

b. 6% = 6/100 = 0.06 answer

c. proportion

d. 3/4 = 0.75 ......then multiply it by 100 => 0.75×100 => 75%

e. 180°

f. a:b = 2:3 and b:c = 4:5 then a:c = 2:5

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