10% of 1000 is 100. So 3% must be 30. $1000 + 30 = 1030. However, she adds the $50 in the account as well. So 1030 + 50 = $1080
Answer:
112 hours
Step-by-step explanation:
1 week = 7 days
2 weeks = 14 days
= 14 × 8
= 112 hours
Answer:
plus and minus
Step-by-step explanation:
example : 3 ± 5 = 8 or -2
Answer:
9 and 14
Step-by-step explanation:
One number is 5 less than a second number.
a = b - 5
:
Twice the second number is 8 less than 4 times the first.
2b = 4a - 8
replace a with (b-5)
2b = 4(b-5) - 8
2b = 4b - 20 - 8
2b - 4b = -28
-2b = -28
b = 14
then
a = 9
