15. A moped travels at a constant rate shown in the table below.
HOURS
3
4
7
9
MILES
84
112
196
252
3
At this rate how many miles will the moped travel in
i
hour?
A 21 miles
B 28 miles
C 17 miles
D 31 miles
The sum of two numbers is 0. twice the smaller number subtracted from 3 times the larger number is 10. let x represent the larger number and y represent the smaller number. what is the equation