The ratio of girls to boys in a gym class is 4 to 7. How many girls are there if there are 21 boys?
2 answers:
Answer:
12
Step-by-step explanation:
multiply by the same number it took to get from 7 to 21 which is 3
Please mark brainliest
Answer:
12 to 21
bc 21/7 = 3, 3x4=12
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Answer:
x = -19/4
Step-by-step explanation:
Given the equation 2+3/4x = 5/12. We are to find the value of x
2+3/4x = 5/12.
3/4 x = 5/12 - 2
3/4 x = (5-24)/12
3/4 x = -19/12
Cross multiply
3x * 12 = -19 * 4
36x = -76
x = -76/36
x = -19/4
Answer:
could you please add more info to this problem
Simply add all of it together.
13+6=19
19+8=27
27+7=34
34 is the perimeter
Answer:
3:4 would be the answer
Step-by-step explanation:
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Answer:
y=x+5
Step-by-step explanation:
