answer the following question

Answer:
(a) 4:3
(b) 4:7
Step-by-step explanation:
A) The ratio of boys to girls in the class is; 3:4
B) The ratio of girls to boys in the class is; 4:3
We are given that;
Number of boys in class = 15
Number of girls in class = 20
Thus;
A) Ratio of boys to girls = 15:20
The highest common multiple between both numbers is 5 and so we divide both by 5 to reduce to; 3:4
B) Ratio of girls to boys = 20:15
The highest common multiple between both numbers is 5 and so we divide both by 5 to reduce to; 4:3
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