Question

The length of a ship model is 3% of the length of the actual ship the model is 1.5 m long how long is the actual ship

Answer 1

percent means parts out of 100
3%=3/100=0.03
1.5m=3/100 of whole
'of' meas mulitply
1.5m=0.03 times whole
divide both sides by 0.03
50m=whole

answer is 50m