Question

35
(i) 48
(ii)
95
169
(iii) 16,32
(iv) 0.8,0.12
The ratio of copper and aluminium in an alloy is 3
If the weight of copper is 12.8 kg in the alloy, find
weight of aluminium in the alloy.
The ratio of boys to girls in a school is 5:7.
number of boys is 700, find the number of girls in
school​

Answer 1

Didn't understand the question pls write it once again !!!