If z varies directly as x , and z =30 wnhen x =8,find z when x=4
1 answer:
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Answer:
ummmm is it meant to ask in 2 years instead of into years? if so
Answer:
7 miles per hour.
Step-by-step explanation:
Right now, the relationship in the problem represents 3 miles in hours. To find out what the unit rate is (number of miles per mile), we need to multiply both sides of the equation show BeLoW:
3 =
7 miles = 1 hour
Therefore, Doug's average speed in miles per hour is 7 (7 miles per hour).
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