exam Maths Puzzle Numerical Ability

can you help me step by step on the this

-2-2(1-5)/-2-3

Read Solution (Total 0)

exam Other Question

There are 103 coins in all, totalling $15.25. How many quarters and how many dimes are there? Please help me.

use the subtraction method to solve for s.

3t+5s=10
3t+ s=2

&

4s-5t=7
2s-5t=3