Answer:
Carla has 28 students in her class and Linda has 21
Step-by-step explanation:
Because I just took 49 and substracted a number about halfway and then since carla and 7 more students you just had to find the number that has seven more than linda.
25 minutes 42 seconds
The tub will fill at the rate of ...
2.25 gal/min - 0.50 gal/min = 1.75 gal/min
It will take ...
45 gal/(1.75 gal/min) ≈ 25.714 min
for the tub to fill.
You can shower for about 25 minutes 42 seconds.
The account will have decreased by $2640 after 2/3 year.
Hope it helps
1: B
2: B
3: D
4: C
5: A
(2a + 1)(a + 3) = 2a² + 7a + 3
