aharvitt0417
30.10.2020 •
Mathematics
The ratio of people who have dogs to people who have cats is 4 to 2. If there are 40 people, how many have cats?
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Ответ:
13 people
Step-by-step explanation:
let ratio be 4x and 2x
4x+2x=40
6x=40
x=40/6
x=6.66
so,
2x=2×6.66
=13.33
approx 13
again
4x=4×6.66
=26.64
approx 27.
Ответ:
160 in^2
Step-by-step explanation:
6 + 2 + 6 + 2 = 16
16 x 10 = 160
160in^2 is the lateral surface area of the prism