J = jeans
T = t-shirts
You: 5j + 10t = 140
Friend: 3j + 5t = 79
To use elimination in this problem, multiply the second equation by -2 so that 10t and 5t can cancel out:
5j + 10t = 140
-6j - 10t = -158
We are left with -j = -18 or j = 18
Substitute 18 into any equation. I'll use the first equation:
5(18) + 10t = 140
90 + 10t = 140
10t = 50
t = 5
Step-by-step explanation:
g. (1/4 + 1/2) = 3/4
3/4 ÷ 3/2 = 1/2
h. (1/5 - 1/2) = 3/10
3/10 ÷ 3/5 = 1/2
I. (2/5 ÷ 5/6) = 12/25
12/25 × 7/8 = 21/50
If the equation is kx= y then when x = 12 y would = 1.5
Answer:
your answer is gonna be 579 miles that would be your answer
Answer: 7x-y=10
Step-by-step explanation:
