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givi [52]
3 years ago
11

Write as an equation: Alice, Barbara, and Carol are sisters. Alice is 3 years younger than Barbara, and Barbara is 5 years young

er than Carol. Together the sisters are 68 years old. How old is Barbara? (Let b = Barbara)
Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0

a+b+c=68

b-3=a

c-5=b

now just solve the system of equations, substitue so that there are only b's in the equation:

a+b+c=68

(b-3) + b + (b+5) = 68

3b=66

b=22

Therefore Barbara is 22

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The number pattern shows a skip-counting rule. 5,20,35,50,65. Which number pattern follows the same rule?
Ganezh [65]

Answer:

You keep adding 15.

Step-by-step explanation:

5+15=20

20+15=35

35+15=50

50+15=65

6 0
3 years ago
Evaluate 15 over k when k=3
scZoUnD [109]

Step-by-step explanation:5

5 0
4 years ago
What is the round of 27,010 to the tens place
kenny6666 [7]

Answer:

27,000

Step-by-step explanation:

round up for 5+ round up

if its 4 or below you round down, lets look in the tens place and we see a 1 so we round down and the 1 and the rest of the numbers behind it will become 0's so the answer is 27,000

note: I added a chart for you to help you know where to put your items, even for decimals

and i have attached a blank chart just in case

5 0
3 years ago
A property had a list price of $164,000, an actual sale price of $158,000 and a $124,000 loan. If the transfer fee was $3 per $1
Kryger [21]

Answer:

The fee was <u>$474</u>.

Step-by-step explanation:

Given:

A property had a list price of $164,000, an actual sale price of $158,000 and a $124,000 loan.

If the transfer fee was $3 per $1,000.

Now, to find the fee.

The list price of the property = $164,000.

The sale price of the property = $158,000.

And the amount of loan = $124,000.

<u><em>As, the transfer fee is based on the sale price of the property.</em></u>

The transfer fee was $3 per $1,000.

So, let transfer fee be x for $158,000.

If, 3 is equivalent to 1000.

Then, x is equivalent to 158,000.

Now, to get the fee by using cross multiplication method:

\frac{3}{1000} =\frac{x}{158000}

<em>By cross multiplying we get:</em>

474000=1000x

<em>Dividing both sides by 1000 we get:</em>

474=x

x=\$474.

<em>The transfer fee = $474.</em>

Therefore, the fee was $474.

5 0
4 years ago
Find the smallest number which
zloy xaker [14]

Answer:

Step-by-step explanation:

28800 = 2 * 2 * 2 * 2 * 2 * 3 * 3 * 10 * 10

You need one 2

You need one 3

You need one 10

28800 * 2 * 3 * 10 = 2 * 2 * 2 * 2 * 2 * 2 * 3 * 3 * 3 * 10 * 10 * 10

(2*6 * 3* 3^3 * 10^3) ^(1/3)

2*2 * 3 * 10 is the cube root

120

6 0
3 years ago
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