A shoe shop makes shoes and boots. To make boots, 8 mins is needed on the lathe and 8 mins is needed on the sander. To make a shoe, 10 mins is needed on the lathe and 20 mins on the sander. The lathe operator works 6hrs/day and the sander operator works 7hrs/day. How many shoes and boots can they make in one day working at this capacity. Write 2 equations.

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244