5a - 10*3 = 45
5a - 30 = 45
5a = 45 + 30
5a = 75
a = 15
21000=a+b
ax.075xt=6xbx.04xt
t cancels out
a=3.2b
21000= 3.2b+b
21000=4.2b
b=5000
a=16000
account with 7.5% had 16000 invested in it.
account with 4% had 5000 invested in it
Step-by-step explanation:
it may help you to understand
I believe it's 8 because it's scale is 4 times bigger.
2×4=8
Answer:
d = 50h
Step-by-step explanation:
distance = speed × time
Lumpy's distance (d) in miles, after driving h hours at 50 miles per hour, is given by ...
d = 50h