The total cost C (in dollars) to participate in a triathlon series is given by the literal equation C = 90x + 35, where x is the number of triathlons in which you participate. a. Solve the equation for x b. In how many triathlons do you participate if you spend a total of $305?

Question

16 January, 08:37

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Answers (1)

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Samir Wilkins · Answer 1

A.

C=90x+35

C-35=90x

x = (C-35) / 90

b.

305=90x+35

270=90x

x=3

3 triathlons