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Vesnalui [34]
3 years ago
9

Danielle wanted to purchase a blouse with the $100 she received on her birthday. She already spent $37 on CDs. The blouse she wa

nts costs $53. Which operation would she use to make sure she had enough money to buy the blouse? A) add B) subtract C) multiply D) divide
Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0

Answer:

B)subtract

Step-by-step explanation:

Danielle would have to use the subtract operation to find out if she had enough money to buy the blouse after buying the CDs.

It would turn out like this:

$100 - $37 = $63

Now since Danielle knows that she has $63 dollars left, she has more than enough to buy the $53 blouse.

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It took Michael six hours to drive 312 miles. If he continues at that rate, how long will it take him to drive 520 miles?
Lunna [17]

Answer:

10 hours

Step-by-step explanation:

More time will be required to cover a greater distance given that the speed is constant.

Speed required to drive 520 miles will be ,

\frac{520 \times 6}{312}

= 10 hours

7 0
3 years ago
At Paul's bowling alley,it costs 4.00 to rents shoes and 3.50 to bowl each game. At Maggie's bowling alley, it costs 3 to rent s
jeyben [28]

Answer: it will take 4 games for both costs to be the same.

Step-by-step explanation:

Let x represent the number of games that must be bowled before the costs become the same.

At Paul's bowling alley,it costs 4.00 to rents shoes and 3.50 to bowl each game. This means that the cost of bowling x games at Paul's bowling alley would be

3.5x + 4

At Maggie's bowling alley, it costs 3 to rent shoes and 3.75 to bowl each game. This means that the cost of bowling x games at Maggie's bowling alley would be

3.75x + 3

Therefore, for the costs to be the same, the number of games would be

3.5x + 4 = 3.75x + 3

3.75x - 3.5x = 4 - 3

0.25x = 1

x = 1/0.25 = 4

4 0
3 years ago
A bag of marbles contains 6 blue marbles 2 yellow marbles, 4 red marbles, and I green marble. What is the probability of
Solnce55 [7]

Answer:

1:6

Step-by-step explanation:

6b +2y + 4r = 12 marbles

2Yellow out of 12 marbles = 2:12 = 1:6

7 0
3 years ago
Dominic, Ralf and Peter have just eaten a HUGE Christmas meal. Dominic now weighs half as much as Ralf, and Peter weighs three t
Strike441 [17]
Dominic weighs 120.

I started laughing as soon as I saw this question...

It honestly made my day:)


4 0
3 years ago
Identify the inequality that describes this graph​
enyata [817]

Answer:

B

Step-by-step explanation:

The direction of the greater than/equal to signs dictates which direction the graph is shaded.

6 0
3 years ago
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