book Maths Puzzle Numerical Ability

Ive been trying to work on this problem forever and now i need some help.
The problem is:
Two friends are 60 miles apart. They decide to ride their bicycles to meet each other. S

Read Solution (Total 0)

book Other Question

How do I solve this problem?

2(4+(3-5)to the 2nd power divided by 6) over 1/8?
My question says to solve the equation and check the solution.
square root of x=15

Could you help me with this? thanks!