The answer is A, 13
Step-by-step explanation:
The easy way to solve it was to plug in every answer to see which was equal to 32 since both sides were identical.
All you have to do to find this answer is add 102 and 31. which you would than get 133. After that you would take 180 and subtract 133. Than you would get 47.
47 is your answer!!
Hope i helped ^-^
9/19 = x / 152....9 oz oil to 19 gallons gas = x oz oil to 152 gallons gas
cross multiply because this is a proportion
(19)(x) = (152)(9)
19x = 1368
x = 1368/19
x = 72 oz of oil <==
Answer:
5.) b = -2/5 (or -0.4 in decimal form)
6.) 20.5