Suppose you are training to run a 6 mile race. You plan to start your training by running 2 miles a week, and then you plan to add a ½ mile more every week. At what week will you be running 6 miles?
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Suppose you are training to run a 6 mile race. You plan to start your training by running 2 miles a week, and then you plan to add a ½ mile more every week. At what week will you be running 6 miles?
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Answer:
8th week
Step-by-step explanation:
x=no. of week
2 miles = 1 week
2 miles +(1/2 mile × x) = 6 miles
2 + (1/2 × x) = 6
2 + (x/2) = 6
x/2 = 6 - 2
x/2 =4
(then multiply both sides by 2)
(2) x/2 = 4(2)
x = 4(2)
x= 8