Question

Jennifer began an exercise program in which she ran 4 blocks the first day and then two blocks more than the previous day for each day of the two week period. How many blocks did Jennifer fun on the last day of the two week period? How many blocks had she ran during the two week period all togeather?

Answer 1

30 blocks on the last day and 238 blocks in two weeks

Explanation:

4+ 2x

x=0 for the first day

that leaves 13 days so on the last day, she ran 4+2(13)=30 blocks

4+6+8+10+12+14+16+18+20+22+24+26+28+30=238 blocks