Answer:
460 m
Step-by-step explanation:
Boundary = perimeter
Perimeter = 2(length + width)
= 2(150 + 80)
= 2(230)
= 460 m
Answer:
-$173
Step-by-step explanation:

Answer:
The answer would be 0.8, 8 squares filled.
Step-by-step explanation:
This is because 0.4*2 is 0.8 and that out of a grid of 10 means that 8 cubes would be shaded.
Answer:
143
Step-by-step explanation:
450-28= 422
422÷2.95= 143.05
round down to 143
Written explanation:
If her first card had $450 but she spent $28 that means she only has $422 left. In order to find out how many barrettes she can buy you divide the amount she has left by 2.95 and get roughly 143.05 barrettes, but you can't go over the budget so at the max Erin can only get 143 barrettes