$15.99x2 +2.99+3.99= subtotal
subtotal x .089= Tax due
tax due + subtotal = total spent
38.96*.089= 3.46
3.46 +38.96= 42.42744
so altogether with tax, Joseph and Tyler spent $42.43 at the hobby store
Answer:
x = 6
Step-by-step explanation:
2x = 12

x = 6
Answer:
41
Step-by-step explanation:
15+26=41
Answer: 2.5 miles per hour
Step-by-step explanation:
this problem is all about conversions
220 ft per minute
first get it to hours, since there is 60 minute in an hour multiply by a factor of 60
220 ft per minute becomes 13200 ft per hour
then you need to covert from ft to mi, there are 5280 ft in 1 mi so divide by 5280
13200 ft per hour becomes 2.5 miles per hour
Answer:
C. 9
Step-by-step explanation:
3n - 18 = 9
3n (- 18 + 18) = 9 + 18
3n = 27
3n/3 = 27/3
n = 9