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s2008m [1.1K]
3 years ago
15

1. A group of eight girl's guides raised $590 for their group by selling cookies. Three of the

Mathematics
1 answer:
Yuri [45]3 years ago
8 0

Answer:

C $59

Step-by-step explanation:

Three of the guides collectively raised 90 % of the money.

The remaining five guides raised 10 % of the money.

10 % of the money = 0.10 × $590 = $59

The five Guides together raised $59.

 

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Sandy needs to make 6 bows to put on her presents. She plans to use 18 inches of ribbon for each bow. How much ribbon does Sandy
blondinia [14]
You do 18×6 and you get 108 so the answer is 108in
7 0
3 years ago
Jon's coin collection consists of quarters, dimes and nickels. If the ratio of quarters to dimes is 5:2, and the ratio of dimes
Margarita [4]

Answer:

The ratio of quarters to nickels is:

  • <u>15:8</u>

Step-by-step explanation:

To solve the exercise, you must first consider how big is the ratio of each one to the other, when it is mentioned that the ratio of quarters to dimes is 5:2 it means that for every 5 quarters, Jon has 2 dimes, for the more quarters there are with respect to the dimes, we simply divide the larger value by the smaller:

  • 5/2 = 2.5

Thus, we know that there are 2.5 more quarters than dimes. Now the following proportion: the ratio of dimes to nickels is 3:4, which means that for every 3 dimes there are 4 nickels, as the nickels are greater in quantity, we are going to see how many times they are greater in proportion than the dimes making again a division of the major over the minor:

  • 4/3 = 1.33333333333 (<em>we are going to use the fractional number so as not to lose decimals</em>).

As we can see, the nickels are a little more than 1 with respect to the dimes, now we are going to create two formulas with those values:

  • <em>q = 2.5d </em>
  • <em>n = 4/3 d</em>

Where:

  • q = quarters
  • d = dimes
  • n = nickels

As you see. We only express the calculated proportions, at first glance you can identify that the number of quarters is greater, but to know how much greater with respect to nickels we are going to divide the two values ​​that accompany "d" in the formulas:

  • <u>2.5 / (4/3) = 15/8</u>

If we express it in ratio as it is in the exercise, we obtain:

  • <u>15:8</u>

So, <u>15:8 is the ratio of quarters to nickels</u>, <em>which means that for every 15 quarters, jon has 8 nickels.</em>

8 0
3 years ago
How do you find the area of a triangle
motikmotik
A=1/2b(h) this is the formula to find the area of a triangle
6 0
3 years ago
Read 2 more answers
14. Molly puts two shapes together to make a new shape. The new shape has 6 sides and 6 vertices. Which two shapes did she use?
olganol [36]

She used two trapezoids.

She put one trapezoid on top and one on the bottom.

The shape she ends up making is a hexagon.

3 0
3 years ago
there are 4 aces and 4 kings in a standard deck of 52 cards. you picking card random. what is the probability of selecting an ac
Mkey [24]
Probability of an Ace= 4/52
Probability of a King = 4/52

Probability of an Ace or a King = P(Ace) + P(King)
=4/52 +4/52
=8/52
=2/13

8 0
3 years ago
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