Step-by-step explanation: because W in the equation is the number of weeks she paid for the self defense class. and the 12.50 would be the registration fee because that is added on top of the number of 40w.

40w + 12.50 = 492.50

-12.50 -12.50

40w = 480.00

w = 12 which is how many weeks she paid

5 0

2 years ago

3/8 of the seventh grade students were taking advanced math at the beginning of the year, but seven dropped out by the end of th

lara [203]

Answer:

416 I believe.

Step-by-step explanation:

add 7 to 149

divide 156 by 3 to get 1/8 of total.

Get 52 and then multiply by 8 to get 416

3 0

3 years ago

There are 4040 tables in a library, with 30%30% of them seating 44 people. The tables remaining only seat 22 people. How many se

vaieri [72.5K]

The answer is 58!!!!!!!!

8 0

2 years ago