Krystal needs at least $130 to go on a trip. Her father has given her $45. Which equality could be used to determine e, the rema
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Answer:
100
Step-by-step explanation:
Ratio is a fraction, so ratio of boys to girls would be written as [let boys be "b" and girls be "g"]:
Also, there are 250 more girls than boys, so we can write:
g = 250 + b
Lets substitute this into "g" of the ratio we wrote and cross mulitply and solve for b:
The number of boys = 100