3x + 1 + 5x = 7 + 15 + 7x
8x + 1 = 22 + 7x
x = 21
The amount the insurance company expects to make on average on every student the pays is found as follows:
Answer:
The third one
Step-by-step explanation:
3(x-7)=6(x-10)
3x-21=6x-60
3x-21+21=6x-60+21
3x=6x-39
3x-6x=6x-39-6x
-3x=-39
-3x/-3=-39/-3
x=13
Answer:

Step-by-step explanation:
3 of the 4 rows of the figure are shaded, so that shading represents the fraction 3/4.
1 of the 4 columns of the figure is shaded, so that shading represents the fraction 1/4.
Where the shaded rows and column overlap, the product is represented. That product is ...
3/4 × 1/4