Answer:
Time required by Machine B to create a widget = 4 hours
Step-by-step explanation:
Time taken by Machine A (
) = 3 hours
Time taken by Machine B (
)= x hours
Time taken by both machines by working together = 12 hours
The time required to both machines by working together to finish a task is given by the formula = 
Put the values in above formula we get
⇒ T = 
⇒ 12 = 
⇒ 36 + 12 x = 3 x
⇒ x = - 4 hours
This is the time required by Machine B to create a widget.
Y=2.5(7)-1.5
Y=17.5-1.5
Y=16
The answer is Y=16
7 1/2 ummm i did it in my head lol but i’m sure it’s right
Answer:
<u>Step 1: Find the x</u>
2x + 5: Solve



3x + 15: Solve


