210 students were asked whether they want to go to a water park or a roller skating rink for a class party. • 50 students are girls who want to go to the water park,
• 45 students are girls who want to go skating,
• 60 students are boys who want to go to the water park
Water park Skating Total
Boys
60
55
115
Girls
50
45
95
Total
110
100
210

i got 142 as my answer

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

what level of math? also i don't need to be paid if i can you.

the answer is a if my teacher taught me correct