Question

A school's strength was cut by 60% . by what percentage should the strength should increase for it to equal the original strength

Answer 1

Answer:150%

Step-by-step explanation:

Let the original strength be x.

New strength=(100-60)% of x

=40*x/100

=2x/5

Less by=x-2x/5

=3x/5

Should be increased by=3x*100*5/5*2x

=3*50

=150% or1.5 times