12 gallons $3.75 per gallon times 12 equals 45 plus 6 which is the car wash amount it’s $51.
Answer: C and B
Step-by-step explanation: because its rational.
-LearnWithBrainly
<span>The answer to this question is True. Apparently, there are a lot of mathematical problems regarding coin and pricing problems can be written with a system of equations.</span>
Answer:
x=1, y= 7
Step-by-step explanation:
−5x+2y=9
y=7x
Substitute the second equation in for the first
-5x +2(7x) = 9
-5x + 14x = 9
Combine like terms
9x = 9
Divide by 9
9x/9 = 9/9
x =1
Now find y
y = 7(1)
y =7
Answer:
J) 2/5
Step-by-step explanation:
I use a TI-84 Plus Silver Edition Calculator so I can make them fractions then divide so it makes sure it's right.
Hope this helps!