Question

1: If a : b = c: d = 2.5: 1.5, what are the values of ad : bc and a + c: b + d?

​

Answer 1

Answer:

ad:bc is 1:1 and a+c:b+d is 5:3

Step-by-step explanation:

for ad:bc

2.5×1.5 : 1.5×2.5=1 : 1

for a+c : b+d

2.5+2.5 : 1.5+1.5 =5 : 3