Question

10 gram of an alloy of metals A and B contains 7.5 grams of metal A and the rest is metal B. Find the ratio between the weights of metals A and B in the alloy.

Answer 1

Answer:

weight of metal B = 2.5

A/B=7.5/2.5

=3/2.

Answer 2

Step-by-step explanation:

metal A in 10g alloy = 7.5g

metal B in 10g alloy =10-7.5 =2.5g

proportion = 7.5:2.5 = 3:1