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3 years ago

One roll of masking tape costs $1.15. Max wants to buy as many masking tape he can with $5.75.

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

4 0

1.15x ≤ 5.75

Pretty sure that's the answer.

pochemuha3 years ago

3 0

Answer:

1.15 x≤ 5.75

He can buy up to 5 rolls.

Step-by-step explanation:

We know that the cost of one roll is 1.15

The cost of x rolls is 1.15x

He can spent up to 5.75

1.15 x≤ 5.75

Solving

1.15x/1.15 ≤ 5.75/1.15

x≤5

He can buy up to 5 rolls

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wolverine [178]

Answer:

Ivy is 6 years old and Rose is 12 years old.

Step-by-step explanation:

To solve this problem, two variables are necessary since we have two unknown variables: Ivy's age and Rose's age.

Ivy's age will be $x$

and Rose's age will be $y$

"Ivy is half as old as her sister":

$x=\frac{y}{2}$

this will be our fist equation.

"In six years, Ivy will be two-thirds as old as Rose"

in six years Ivy will have $x+6$ years, and Rose will have $y +6$ years, so for this sentence we have the equation:

$x+6=\frac{2}{3}(y+6)$

this will be our second equation.

Substituting the value of x from the first equation into the second, and solving for y(Rose):

$\frac{y}{2}+6=\frac{2}{3} (y+6)\\\frac{y+12}{2} =\frac{2}{3} (y+6)\\y+12=\frac{4}{3} (y+6)\\3(y+12)=4(y+6)\\3y+36=4y+24\\36-24=4y-3y\\12=y$

Rose is 12 years old.

and Ivy (using the fist equation):

$x=\frac{12}{2}=6$

Ivy is 6 years old.

6 0

3 years ago

Convert the rate 1000 fluid ounces per 2 hours to cups per minute

Ronch [10]

There are 8 ounces in a cup, so there are 125 cups in 1000 ounces.
1000 / 8 = 125
there are 60 minutes in an hour and 120 minutes in 2 hours
so 1000 ounces / 2 hours is
125 cups / 120 minutes
125 / 120 = 1.04 cups per minute

Check your work
multiply times 60 to get cups per hour
1.04 * 60 = 62.4 cups per hour
multiply times 8 to get ounces per hour
62.4 * 8 = 499.2
multiply times 2 to get ounces per 2 hours
499.2 * 2 = 998.4
the number is not quite 1000 due to rounding the 125 / 120 as it is closer to 1.041666666666667

7 0

3 years ago

Read 2 more answers

Given that a = 1, b = 2, and C = -3, evaluate ab²- ac²/ 2bc

Firlakuza [10]

Answer:

5/12

pls Mark as brainliest