Problema Solution

peter begin his kindergarten year able to spell 10 words.He is going tolearn to spell 2 new words every day Write an inequality that can be used to determine how many days, d,it takes peter to be able to spell at least 75 words. use the inequality to determine the minimum number of whole days it willtakes for him to be able to spell atleast 75 words

Answer provided by our tutors

 

The inequality is

2d+10 >= 75

Solve the inequality to find the minimum number of whole days.

2d + 10 >= 75

2d >= 75 - 10

2d >= 65

d >= 65/2

d >= 32.5

d >= 33

The minimum number of whole days is 33