At a local preschool, there is a ratio of 3 boys to every 4 girls. If there are 245 total preschoolers enrolled, then how many a

Question

3 years ago

8

re boys?

2 answers:

Eva8 [605] · Answer 1 · 2022-09-16T20:31:39+03:00

Eva8 [605]3 years ago

8 0

Answer:

105

Step-by-step explanation:

Reika [66] · Answer 2 · 2022-09-16T19:30:27+03:00

Reika [66]3 years ago

5 0

Set up the equation by writing the number of students in the ratio as a fraction:

3/4= (245-x)/x Cross multiply:

3x= 4(245-x) Multiply on right:

3x= 980-4x Add 4x on both sides:

7x= 980 Divide both sides by 7:

x= 140 this is how many girls there are. And:

245-140= 105= boys