Answer:
the answer is 176 hope this helps
Step-by-step explanation:
Answer:
-3
Step-by-step explanation:
this is x equals to -3
we can divide the 4 to other side
Let

be the amount of time it takes to perform an arm routine and

be the amount of time it takes to perform an abdominal routine. We see:


Subtracting the second equation from the first gives

. Substituting gives

, so

and

.
Thus, an arm routine takes ten minutes and an abdominal routine takes thirty minutes.
27, 36, 45
Hope it helps ^^