Answer: -7
Step-by-step explanation: I took the test on USATP
<span>3y = x + 6
y – x = 3 -----------> x=y - 3 (substitute in 1st equation)
3y = y - 3 +6
3y - y = 3
2y = 3
y = 2/3
x= y - 3 = 2/3 -3 = 2/3 - 9/3 = - 7/3
</span>x= - 7/3, y = 2/3<span>
</span>
Answer:
1 gallon per 19.64mi
Step-by-step explanation:
275/14 =19.6428571429
Answer:
C 30%
Step-by-step explanation:
87.50/125= 0.70
1-0.7-0.3
Half of 110 is 55 so the answer is 55