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kotykmax [81]
3 years ago
10

Hal wants to buy a cake for his friend's birthday. When he went to the bakery, he found that price was marked down by 10%. If Ha

l pays $30, what was the original price?
Help plzz
​
Mathematics
1 answer:
Kazeer [188]3 years ago
4 0
You have to make a fraction like
10. X
—- =——
100 30

Then do that bat and ball thing and
The answers
3
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A store sold 50 copies of a magazine for $150. Each copy of the magazine costs the same. Which equation and set of ordered pairs
Goryan [66]

Answer:

Option a. Y=3x

Step-by-step explanation:

Let us use cross multiplication method.

Let the cost of 1 magazine be x.

No. of copies                               Cost

1)50                                                $150

2)1                                                      x

50x=150 x 1               equation(1)

x=150/50

x=$3

Now see equation (1),

150=50x

150=50 x 3

Here let us represent the cost as y and no. of copies as x.

Y=3x

Therefore, a. Y=3x is the right answer.

Thank you!

                                             

8 0
3 years ago
12. Fancy goldfish x cost $3 each and
o-na [289]

Answer:

x (Fancy Gold fish) = 3

y (Common goldfish) = 29

Step-by-step explanation:

Fancy goldfish x cost $3 each

common goldfish y cost $1 each

Graph: y  = 20 +  3x (I'm hoping this is the correct line equation, please do leave a comment below if it's not)

Thus, we graph it by subtitude either the x or y values. (Or you can use just X = 1,2,3).

Now, to find how many of each type of goldfish Tasha can buy. We subtitude the line equation by either using x = 3 or y = 1

Using either values to solve the equation, we get:

x = 3

y = 29

Hope this helps!

5 0
2 years ago
Read 2 more answers
Please help me answer
marshall27 [118]

Answer:

x=20

Step-by-step explanation:

3 0
3 years ago
Could y’all help me please please please
natka813 [3]

Answer:

Your answer is 12

Step-by-step explanation:

Start by multiplying 9 and 1 1/2. Then add 7 1/2. Now divide by 1 3/4

4 0
3 years ago
Complete the square. Fill in the number that makes the polynomial a perfect-square quadratic. 2 + 2) +​
daser333 [38]
Try using either the app the calculater not like those other ones this calculator can solve fractions and almost any other thing
7 0
3 years ago
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