Answer:
a + 20 = 7*12 (multiplied both sides by 12)
a + 20 = 84 (calculated 7*12)
a = 84 - 20 (subtracted 20 on both sides)
a = 64 (calculated 84-20)
14/35
Step-by-step explanation:
y=0.17x+50. His trip cost $50.85
$19.55
17*0.15=2.55
17+2.55=19.55
X=6 because 2*6=12 and 12+4=16
