q59) 15/150 = 1/10 so he earns 1/10 of the shoes' cost. q60) type each term into a calculator so: (3.28 - 0.81)x and (1.4-0.45) q61) 2 hours is 120 minutes so in this time the submarine will have descended (15*120)
try to give these questions a shot before coming on here it'll be far more beneficial
