Answer:
15 girls
Explanation:
We know that the ratio of boys to girls in the classroom is 2:3, meaning that for every 2 boys there are 3 girls.
Now, we can set up a proportion to solve this problem.
Please see the picture attached.
I hope this helps!
We can only see one graph here
Answer:
x=-5, y=-1
Step-by-step explanation:
Substitute x=-4+y into -2x-5y=15. So we have
-2(-4+y)-5y=15
8-2y-5y=15
-7y=7
y=-1
And x is -4+y so x= -4+(-1)= -5.
25=d+q
4.30= .1d + .25q
25=d+q
-17.20=-.4d+-q
7.80= .6d
d=13...... 13 DIMES
25= 13+q
12=q....... 12 QUARTERS