Question

For the month of January Chloe is training to run a marathon she wants to run a total of 375 Miles during January ,on January 1st she ran 15 miles .which equation represents how many miles Chloe will have to run each day for the rest of the month to accomplish her goal of 375 miles for the month of January.
show your work please

A. 15x + 30 = 375

B. 30x + 15 = 375

C. 15x + 31 = 375

D. 31x + 15 = 375​

Answer 1

The correct answer is B.

+ 15 represents the 15 miles she already ran.

30x represents the amount of miles she will need to run each day (because there are 31 days in January, and 1 of them has already been accounted for.

Answer 2

The correct answer is B. She has already ran 15 miles on her first day, which is shown in answers B and D by the (+ 15). There are 31 days in January but since she already did one day, 31 minus 1 which gives 30 and tells us the answer is B