step-by-step explanation:
i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn
d) 48
16,32,48,64,80,96,112,128,144,160,176,192,208,224,240,256,272,288,304,320,336
47 - 90 = 43
43 - 180 = x
x = 137