$793.50, All you do is multiply $15.87 by 50
Answer:
13/3 is 4 1/3
8/7 is 1 1/7
10/8 is 1 1/4 (simplified from 1 2/8)
Step-by-step explanation:
Three main methods come to mind: Substitution method, Elimination method, Matrix row-reduction.The first two methods are taught in early grades in most high schools. Matrix row-reduction is taught in senior years in high school, or more likely, in the early years of a university math or science program.
If you look through the chart, you'll see that in each column,
the amount of money donated is 1/5 the number of lunch
specials sold.
The equation is:
Donation amount = (1/5) · (lunch specials sold) .
The constant of proportionality in money per lunch special sold
is $1/5 or 20 cents.