Answer:
Step-by-step explanation:
Let x be the number of hours
Rental A charges:
Rate per hour = $4.50
Rate for x hours = 4.50x
Equation: 15 + 4.50x
Rental B charges:
Rate per hour = $ 5
Rate for x hours = 5x
Equation: 12.50 + 5x
Answer:
6 years
Step-by-step explanation:
let x = # of years
6 + 2x = 12 + x
x = 6
4 min 30 sec = 4.5 minutes.
Divide 108 by 4.5 to get the UNIT RATE which is per 1 minute.
108/4.5 = 24 pages per min
It is easy! I got you! So if Gavin earned $25 more then Seiji and the total of money they got over the summer is $425, all you have to do is subtract, so 425- 25= 400. Seiji earned s and Gavin earned g.
3x² - 78 = 114
3x² = +78 + 114
3x² = 192
x² = 192/3
x² = 64 and x = -+ √64, x' =8 and x" =-8