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Tutor profile: Kacee C.

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Kacee C.
Operations Manager at Amazon, Geologist, Teacher
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Questions

Subject: Geology

TutorMe
Question:

Crater Lake in Oregon was produced when_______________ .

Inactive
Kacee C.
Answer:

The summit of a volcano collapsed.

Subject: Basic Math

TutorMe
Question:

A 4-digit number has a 4 in the thousands place, a 8 in the ones place and 2s elsewhere. What is the number?

Inactive
Kacee C.
Answer:

The number is 4228.

Subject: Algebra

TutorMe
Question:

John needs $40 to go on a field trip. He has saved $15.25. He earns $6.50 per hour cleaning his neighbor's garden, and he earns $5.25 per hour selling cakes at a store. Can John go on the field trip if he works at the garden for 2 hours and at the store for 2 hours? Use this inequality to answer the question: 6.50x + 5.25y + 15.25 ≥ 45

Inactive
Kacee C.
Answer:

First, let's start by assigning our variables. Let x represent the hours worked at the garden. Let y represent the hours worked at the store. Next, we need to plug the values for the variables into the inequality. We find the values for our variables in the last sentence of the problem. Our inequality is: 6.50x + 5.25y + 15.25 ≥ 45 For x, we will plug in 2 hours. For y, we will plug in 2 hours. We will get this as the next step in solving our inequality: 6.50(2) + 5.25(2) + 15.25 ≥ 45 Next, let's use PEDMAS to start solving our inequality. We know that for this problem, we need to do the multiplication before we can do the addition. 6.50(2) + 5.25(2) + 15.25 ≥ 45 Our inequality will now look like this: 13 + 10.5 + 15.25 ≥ 45 Next we will perform addition. Our inequality now looks like this: 38.75 ≥ 45 This translates to 38.75 is greater than or equal to 45. This is not true! John only has $38.75. He needs $45 to go on the field trip. $38.75 is not greater than or equal to $45. John does not have enough money to go on the trip.

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