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Reika [66]
4 years ago
12

Christopher earned $78 at his job when he worked for 2 hours.

Mathematics
2 answers:
Grace [21]4 years ago
5 0

Answer:

1 hour/39 dollars

Step-by-step explanation:

So we need to find the unit rate in hours per dollar

Lets replace per with a division sign

We know that 2hours=$78

So we can divide 2 and 78 to get unit rate

78/2=1/39

1 hour/$39

Hope this helps!

morpeh [17]4 years ago
4 0

Answer:

1 dollar every 1/39 hour

Step-by-step explanation:

If Christopher earns $78 in two hours, he must earn $39 dollars in one hour because 78/2 is 39. Therefore, every hour Christopher earns $39. To find the amount of hours per dollar, divide 1, the hour, by 39, the money per hour, to get 1/39.

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3 0
3 years ago
A total of 626 tickets were sold for the school play. They were either adult tickets or student tickets. There were 74 fewer stu
Sholpan [36]

Answer:

351 adults and 275 students

Step-by-step explanation:

We can set-up a system of equations to find the number of adults. We know students and adults attended. We will let s be the number of students and a be the number of adults. Since 626 tickets were purchased, then s+a=626.

We also know that 74 fewer student tickets then adult tickets. So s+76=a, the number of student tickets plus 76 will be the number of adult tickets.

We will solve by substituting one equation into the other. We substitute a=76+s into s+a=626. Simplify and isolate the variable a.

s+a=626

s+76+s=626

2s+76=626

2s+76-76=626-76

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This means that 275 students attended and 351 adults attended since 275+351=626.


6 0
4 years ago
Complete the table so there is a proportional relationship between cups of blue paint and cups of red paint.
stich3 [128]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
What is the median of 8,9,10,1,6,4,7,6
Phoenix [80]

Answer:

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Step-by-step explanation:

To find the median, first organize the numbers from least to greatest:

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The median is always the number in the middle, but since there are eight numbers here, there will be two numbers in the middle: 6 and 7.

To solve for this, we have to find the average of the numbers.

Add the two numbers together and then divide by 2 (we divide by 2 because we are averaging two numbers).

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8 0
3 years ago
52(7)^1/5<br><br> Need help solving this problem. I don’t have Ti-84 Calculator yet
frozen [14]

Answer:

52 \sqrt[5]{7}

Step-by-step explanation:

52(7 {)}^{ \frac{1}{5} }

= 52 \sqrt[5]{7}

7 0
3 years ago
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