Question

suddenly the number of math problems mathletes had to solve increased by 60%! to keep on track the mathletes try to go faster but only increase their speed by 25% By what percent must the number of mathletes on the team increase so they can solve all the problems on time?

Answer 1

28%

Explanation:

Lets say the fraction of speed and problem solved is 100/100

the number of problems solved increases by 60%

so now it is 160/100, also the speed increases by 25%

so now we do 160/125=1.28

finaly we do 1.28-1 = 28%

Therefore the answer is 28%.

hope this helps

Answer 2

28%

Explanation:

The number of mathletes on the team must increase by 28%.

Description of speed

The speed of the mathletes is total number of questions divided the total number of people on the team.

Speed = total number of questions / total number of people on the team

Determination of the percentage increase in the number of mathletes

Increase in the number of people on the team = total number of questions / speed

1.60 / 1.25 - 1 = 28%