Answer:
22
Step-by-step explanation:
Given
2t + 4s ( substitute t = 5, s = 3 into the expression )
= 2(5) + 4(3)
= 10 + 12
= 22
27 and 16
x + y = 43
x - y = 11
You can add up the two equations so the ys are cancelled out.
2x = 54
x = 27
Plug x in to find y.
27 - y = 11
y = 16
D. 18 1/5 +22 2/5 +40 1/5
-(-22 2/5) and -(-40 1/5) -----> -*- will become +
