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Morgarella [4.7K]
3 years ago
7

Mrs. Morton has a special reward system for her class. When all her students behave well, she rewards them by putting 3 marbles

into a marble jar. When the jar has 100marbles or more, the class has a party. Right now, the jar contains 24 marbles.
Let r represent the number of additional times the class is rewarded. Write an inequality to determine how many more times the class needs to be rewarded in order to earn a party.
Mathematics
2 answers:
dimulka [17.4K]3 years ago
8 0

Answer:

26

Step-by-step explanation:

Divide 100 by 3 to get the amount of TOTAL times you put marbles in the jar. Then divide 24 by 3. 24 divided by 3 is 8. Subtract 8 from the total amount of times needed to reach 100 marbles. After you have done that step, add one because 100 divided by 3 is 33.333333. Since you cant put a fraction of a marble in the jar, you have to add 1 more marble.

ycow [4]3 years ago
3 0

Answer:

26 more times

Step-by-step explanation:


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Katherine goes to the deli to buy some turkey. Turkey cost $5.28 per pound. Katherine needs to buy 3 1/4 pounds of turkey. How m
Leto [7]
<u /><u />5.28 dollars per pound multiplied by 3.25 pounds is a total of 3.25*5.28=$17.16.

7 0
3 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 3 to 5. If there were 7
Zinaida [17]

Answer:

2967 yes votes

Step-by-step explanation:

Welcome to Brainly!

One way of doing this problem follows:

Find the ratio, r, mentioned in the problem statement.  To do this,

write the equation 3r + 5r = 7912 and solve this for r:

8r = 7912, so that r = 989.

Then the number of yes votes was 3(989), or 2967, and the number of no votes was 5(989), or 4947.

check:  Does the ratio 2967/4947 equal 3/5?  yes.

There were 2967 yes votes.

8 0
3 years ago
Solve the equation for x.<br> 2/3x-1/9x+5=20
Over [174]

Answer:

x = 27

Step-by-step explanation:

I'm assuming the equation looks like this:

\frac{2}{3}x-\frac{1}{9}x+5=20

Here's how to solve for x:

\frac{2}{3}x-\frac{1}{9}x+5=20

(subtract 5 from both sides)

\frac{2}{3}x-\frac{1}{9}x=15

(Find the GCF of 3 and 9, which is 3. Multiply 2/3 by 3/3. You get 6/9)

\frac{6}{9}x-\frac{1}{9}x=15

(add like terms)

\frac{5}{9}x=15

(multiply 9/5 to both sides, which is the same as dividing both sides by 5/9)

x = 27

Hope it helps (●'◡'●)

8 0
3 years ago
Ms. Taylor earned $18.50 per hour for the first 40 hours she works in a week.She earns 1 1\2 times the amount per hour for each
nalin [4]
18.5•40=740
40•1.5=60
60•5.5=330
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A: $1070
3 0
3 years ago
Read 2 more answers
What equation could generate the curve in the graph below
Marianna [84]

Answer:

A

Step-by-step explanation:

We know the y intercept is positive so that eliminates choice D.

y = 3x^2 -2x+1

This does not intercept the x axis

y = 3x^2 -6x+3

= 3(x^2 -2x+1)

3(x-1)^2

This intercepts the x axis at 1

This is not the equation for the graph

y = 3x^2 -7x+1

Let x = 1

y = 3-7+1

  = -3

This will cross the x axis, so this cannot be the graph

5 0
3 years ago
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