Question

if a,b,c are in proportion. Find'a' if b=15 and c=40​

Answer 1

Answer:

Top answer · 0 votes

We know that,if a, b, c and d are in proportion, then a : b : : c : dor ab = cdSince, 20, ... More

Answer 2

Step-by-step explanation:

proportion=a/b=b/c

a/15=15/40

a=15/40×15

a=15/8×3

45/8=5.625