The answer would be 4. if the cousin could do it at 7 hours and now when they work with the cousin it finishes in three that means that the person takes away 4 hours so if they were to work alone that would be 4 hours, hope its right!
Answer:
yes
Step-by-step explanation:
3+ 9*4 = 3 + 36 = 39
39 is bigger than 15
You would take the answer of the square root problem and find the number that you can multiply by its self that would make that answer correct.
Multiply 40x7 then subtract that total you got from multiplying 40x7 with 420
40x7=160
420-160=260
260 pieces of wood were left.
Answer:
2
Step-by-step explanation:
The average rate of change over [2, 8] is the change in the y-values over the change in the x-values.
