ohaiv001208 ohaiv001208

20-03-2022
Mathematics

contestada

a: b = 7:4
b: c= 2:5
Work out а: c
Give your answer in its simplest form

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aliciat8924 aliciat8924

20-03-2022

Answer:7:10

Explanation: Make b on both ratios the same so that a:b=14:8 and b:c=8:20 to make one ratio a:b:c 14:8:20 and the simplify to 7:4:10 and then take out a and c to make 7:10

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