https://jhmsmath.weebly.com/uploads/2/7/7/5/27756807/8th_grade_countdown.pdf go to this link page 52-54
Step-by-step explanation:
answer is c
hope it helps
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Answer:
1.She used square units instead of cubic units.
2.In calculating the volume of the pyramid, she did not multiply by 1/3.
4.She subtracted the pyramid volume instead of adding it.
Step-by-step explanation:
because i got it right on my test.
let's see
u + xy
Plug in numbers that you know:
20 + 9 * 8
20 + 72
92
We are given that 76 persons can complete the job in 42 days.
We need to find the number of days will 56 persons do the same job.
Let us assume that in x number of days will 56 persons do the same job.
Number of days taken by 1 person to complete same work = 76 × 42 =3192 days.
56 person will take =
= 57.
<h3>
Therefore, 57 days will 56 persons do the same job.</h3>