65(7) = 455 sit-ups during a 7 day period
Answer:
I explain down below:
Step-by-step explanation:
First, you divide the combined rectangle into separate parts. Then you find the area of the first rectangle. Then the second and/or third one.
After all the areas have been solved, you add all of the areas together.
Hope this helps!
Answer:
32
Step-by-step explanation:
16x2
Answer:
3.5 minutes
Step-by-step explanation:
32x=112
112/32
x=3.5 minutes
Answer:
64
Step-by-step explanation:
5x-16+6x=10x (combine like terms)
11x-16=10x (subtract 11x)
-16= -1x (divide by -1
16 = x
Now plug 16 into 5x-16.
5(16)-16 = 80-16 = 64