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BlackZzzverrR [31]
3 years ago
9

the ages of six boys are given as 12 years 3 months, 18 years, 13 years 7 months, 17 years 2 months 15 years and 14 years respec

tively. what is their average age? ​
Mathematics
1 answer:
dusya [7]3 years ago
4 0

Answer:

15 years (180 months)

Step-by-step explanation:

turn it into months first

147

216

163

206

180

168

add them together, then divide by how many there are

1,080/6=180 months

180/12 =15

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A local hamburger shop sold a combined total of 519 hamburgers and cheeseburgers on Saturday. There were 69 more cheeseburgers s
Mandarinka [93]
519-69= 450
450 hambugers
3 0
4 years ago
A recipe that serves 6 people requires 210 grams of sugar what is the total amount of sugar needed if the recipe is changed to s
klio [65]

Answer:

The answer is 350 grams of sugar

Step-by-step explanation:

You use a ratio

\frac{6}{10} = \frac{210}{?}

Compare the numerators. Since  

6 ⋅ 35 =210  ,  multiply the denominator  10  by  35  to get  350

.

3 0
3 years ago
Read 2 more answers
Please help me with number 9! (Math)
Andrej [43]
Hi

I belive you add the top side (4) plus the bottom side (9.5) witch would equal 13.5 times the hieght (3) equals 40.5 divided by 2 equals 20.25. the area is 20.25ft squared

another way to do it
4+9.5= 13.5
13.5×3= 40.5
40.5÷2= 20.25ft
8 0
4 years ago
Emma has saved £1.35 in 5p coins. How many 5p coins does Emma have?
valentinak56 [21]
To make calculation easier, we first multiply
1.35 × 100 = 135

then we need to find how many groups of 5 are there in 135.
to do so, we simply take 
135 ÷ 5 = 27

therefore, the answer is <u>27.</u>
8 0
4 years ago
A laptop computer that you want to purchase was originally priced at $1,675. You will receive a 30% student discount, and the sa
cupoosta [38]

Answer:

Selling price = $1242.85

Step-by-step explanation:

Given the following data;

Cost price = $1,675

Discount = 30%

Sales tax rate = 6%

To find the selling price;

First of all, we would determine the discount price.

Discount price = 30/100 * 1675

Discount price = 50250/100

Discount price = $502.5

New price = cost price - discount

New price = 1675 - 502.5

New price = $1172.5

Next, we calculate the sales tax.

Sales tax price = 6/100 * 1172.5

Sales tax price = 7035/100

Sales tax price = 70.35

Now, we can determine the selling price after discount and sales tax;

Selling price = 1172.5 + 70.35

Selling price = $1242.85

Therefore, you will pay $1242.85 for the laptop computer.

5 0
3 years ago
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