Answer:67 is correct D
Step-by-step explanation:use parallel, so 71+x=180-42 x=67 67+71=138, 67= to your answer
Answer:
245
Step-by-step explanation:
let 'c' = total coins
2/7 = 70/c
2c = 490
c = 245
4 1/2
each lap is 1 3/8 times that by 3
3/8 * 3 = 1.125
1* 3 = 3
so would be 4.125
Addition
