She will need 12 seconds because -20•12=-240
Answer: 375
Step-by-step explanation:
Since we are given the information that there are 250 bricks used to build a wall 20 feet high, the number of brick used per feet will be:
= 250/20
= 12.5 bricks per feet.
Therefore, the number of bricks that will be used to buld a wall that is 30 fet high will be:
= 12.5 × 30
= 375 bricks.
Therefore, 375 bricks would be used.
Answer:
24
Step-by-step explanation:
really need more information about the subject, but im assuming its just basic addition.
36-12=24
2.35 is equivalent to 235%
