Math test! running out of time!
Kai burned 30 calories jumping rope and then burned 5.8 calories per minute on a brisk walk. Which ordered pairs are viable to represent the total number of calories, y, that Kai burned in his jump rope session and after x minutes of brisk walking?

(70.6, 7)

(18, 134.4)

(–4, 6.8)

(–39.6, –12)

(7.8, 75.24)

Question

Math test! running out of time!
Kai burned 30 calories jumping rope and then burned 5.8 calories per minute on a brisk walk. Which ordered pairs are viable to represent the total number of calories, y, that Kai burned in his jump rope session and after x minutes of brisk walking?

(70.6, 7)

(18, 134.4)

(–4, 6.8)

(–39.6, –12)

(7.8, 75.24)

anonymous · Answer

I think the answer is (70.6, 7)

anonymous · Answer

because 7 * 5.8 + 30= 70.6.
 70.6=X

anonymous · Answer

Awesome thank-you!

anonymous · Answer

Before you go
can you help me again?

anonymous · Answer

sorry gtg eat.

anonymous · Answer

Okay thanks for your help!