Question

A textbook weights 2.5 pounds.how many kilograms does the textbook weigh?Round your answer to the nearest tenth of a pound. 1kg = 2.2 lb
A.1.1 kg
B.1.8 kg
C.5.5 kg
D.4.7 kg

Answer 1

if 1kg= 2.2 lb, then
1lb = 1/2.2 kg or 10/22 --> 5/11
so
2.5 * 11 /5 =?

Answer 2

Yes that's it. 2.5 * 11 /5 and it's equal to \(\color{red} {1.1}\)

Answer 3

thanks