Question

a cyclist biked 145 miles in 5 days. He traveled 4 miles more on each day than on the precious day.How many miles did he bike on the first day?

Answer 1

Answer:

21

Step-by-step explanation:

yeah-ya...... right?

Answer 2

21

Because….

Say day one he rode miles

Then… day 1 + day 2 + day 3 + day 4 + day 5=
+(+4)+(+8)+(+12)+(+16)

This expands to…

+++++4+8+12+16

This simplifies to…


5x+40=145

So 5x=105

So =21