Interest is the percent charged to your credit card
The post delivers at about 7 o’clock every morning.
Explanation:
you add an s to the end of deliver to make it plural.
The 2 numbers are m and n.
m + n = 7.2
m - n = 2.7Add the 2 equations and get
2m = 7.2 + 2.7 = 9.9
m = 9.9/2 = ?
Once you find m, plug its value into ether equation and get n.
Because the ending of the conjugated verb “tells” us the subject.