Answer:
B
Step-by-step explanation:
The given equations satisfy the given conditions. There are 2 equations and 2 unknowns, so a certain solution can be found.
This can be solved using substitution,
Substituting eqn 2 to eqn 1:
2(2y – 10) + 3y =1240
Simplifying,
y = 180
x = 350
Answer:
there is a 1 to 15 relationship between miles and gallons
Step-by-step explanation:
<span> To find 55% of 120 books, multiply 120 x .55
Then add that answer to the original 120.</span>
120 + 55% = 186
Answer:
1. 13.65, 136.5, 1365
2. 57.14, 5.714, .5714
Step-by-step explanation:
The answer is C! 6/7 because the negatives cancel out!
