Peter begins his kindergarten year able to spell 10 words. he is going to learn 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 this inequality to determine the minimum number of whole days it will take for him to be able to spell at least 75 words.
10+2d is greater than or equal to 75.
This would be solved by subtracting 10 on both sides of the equation, resulting in 2d is greater than or equal to 65. You would then divide 2 on both sides and end up with d is greater than or equal to 32.5 which you would round up to 33. So it would take Peter 33 minimum days to at least spell 75 words.
it is 33
Well, Peter is off to a good start with 10 words! Let's figure out how many days it will take for him to reach 75 words.
To do that, we can make an inequality that represents the situation. Let "D" represent the number of days Peter has been learning. Since he learns 2 new words per day, we can multiply 2 by the number of days to find the total number of words he will be able to spell.
So, the inequality would be: 10 + 2D ≥ 75
To determine the minimum number of whole days it will take for Peter to spell at least 75 words, we can solve this inequality. Let's do it with a bit of clowny math:
10 + 2D ≥ 75
Subtract 10 from both sides:
2D ≥ 65
Divide both sides by 2:
D ≥ 32.5
Now, since we're talking about whole days, we can round up to the next whole number. So, it will take Peter at least 33 days to be able to spell at least 75 words.
Keep up the good work, Peter! And remember, spelling is like riding a bicycle. If you lose your balance, just learn the word "fall"!
To determine how many days it takes for Peter to be able to spell at least 75 words, we can set up the following inequality:
10 + 2D ≥ 75
In this inequality, 10 represents the initial number of words Peter can spell, 2 represents the number of new words he learns each day, and D represents the number of days that pass.
To solve this inequality and find the minimum number of whole days it will take for Peter to be able to spell at least 75 words, we need to isolate D on one side of the inequality:
2D ≥ 75 - 10
2D ≥ 65
D ≥ 65/2
D ≥ 32.5
Since we are looking for the minimum number of whole days, we round up the result to the nearest whole number. Therefore, it will take Peter at least 33 whole days to be able to spell at least 75 words.
10>=75
10+2x is greater then or equal to 75
this would be solved by subtracting 10 from 75 which would equal 65. This would leave your equation as 2x is greater then or equal to 75. Next you would divide 65 by 2 whuch equals 34.5 which you would then round up to 35. I hope I helped.