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2 years ago

8

Nadia bought 5 tickets to attend a spaghetti supper fundraiser at her school. The equation 5x=32.50 can be used to find x, the c

ost of each ticket i dollars. Which equation represents the cost of each ticket?

1 answer:

USPshnik [31]2 years ago

8 0

To find the cost of each ticket you would use the equation x= 32.50/5

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Angharad had an operation costing $500 She was in hospital for x days The cost of nursing care was $170 for each day she was in

Ket [755]

Answer:

a) Total cost = $500 + 170x$

b) 11 days

Step-by-step explanation:

Given:

(a)

Number of days in hospital = $x$

Cost of operation = $ 500

Cost of nursing per day = $170

∴ Cost of nursing for $x$ days = $ $170x$

Therefore, the expression for total cost of her operation and nursing care is given as,

$C=500+170x$ , where $C$ is the total cost.

(b)

Given:

Total cost of operation = $C=\$ 2370$

Using the expression obtained in (a), we solve for $x$ .

$C=500+170x$

Plug in 2370 for C and solve for $x$ . This gives,

$2370=500+170x\\ 170x=2370-500\\ x=\frac{1870}{170}\\x=11$

Therefore, Angharad stayed in hospital for 11 days.

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2 years ago

The networking organization you joined is throwing a party. You are in charge of buying the chips, which cost $2.50 per bag and

Ksivusya [100]

The given inequality is 2.5x + 4y ≤ 60. x is the bags of chips and y is the jars of salsa,

Replace x and y in the equation with the possible answers and solve:

A) 10 chips and 2 salsas:

2.5(10) +4(2) = 25 + 8 = 32 This is less than 60 so is a solution.

B) 20 chips, 2 salsas:

2.5(20) + 4(2) = 50 + 8 = 58, this is less than 60 so is a solution.

C) 14 chips, 5 salsas:

2.5(14) + 4(5) = 35 + 20 = 55, this is less than 60 so is a solution.

D) 18 chips , 6 salsas:

2.5(18) + 4(6) = 45 + 24 = 69, this is greater than 60 so is not a solution.

18 bags of chips and 6 jars of salsa is not a solution.

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Elena-2011 [213]

Answer:

40 hours

Step-by-step explanation:

47.3-40= 7.3

He worked 7.3 hours overtime meaning he worked 40 regular hours.

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2 years ago

in one 8 hour day , 5 barbers gave a total of 120 haircuts.the barbers gave the same amount of haircuts per hour. how many hairc

MA_775_DIABLO [31]

In 8 hours, every barber completed 24 haircuts which gave a product of 120. 24 divided by 8 is 3. The answer is 3 haircuts per hour.

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2 years ago

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y +

Aleksandr [31]

Answer:

B) 5 (x minus 3)

C) 4 x + 3 y minus 15 minus 3 y + x

E) Negative 20 minus 3 x + 5 + 8 x

tep-by-step explanation:

5x minus 15

5x - 15

5(x - 3)

4 x + 3 y minus 15 minus 3 y + x

4x + 3y - 15 - 3y + x

5x - 15

Negative 20 minus 3 x + 5 + 8 x

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