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Marina CMI [18]
3 years ago
7

Plz help me with the questions for math

Mathematics
2 answers:
Sonja [21]3 years ago
7 0

Answer:

2. 6/9

3.2/4

4. 8/10

Step-by-step explanation:

basically the idea is to find something in the same fact family so like the example on 1, follow that and try to answer the next problams on your own its really easy

( sorry if im wrong or not i tried to help)

Oksanka [162]3 years ago
7 0

Answer:

2/3 x 2/2= 4/6

2/3 x 4/4 = 8/12

1/2 x 2/2= 2/4

1/2 x 4/4=4/8

4/5 x 2/2= 8/10

4/5 x 4/4=16/20

Step-by-step explanation:

You might be interested in
Lamonte buys 9 gallons of ice cream for his party. He has 34 guests eats 2 1/2 cups of ice cream, how many pints of ice cream wi
AlekseyPX
There are 16 cups in a gallon. Convert gallons into cups:

9 * 16 = 144

34 guests ate 2 and 1/2 cups of ice cream. To find the total amount of ice cream they ate, multiply the cups eaten by each guest by the amount of guests.

34 * 2 \frac{1}{2} = 85

Subtract the total amount the guests ate by the amount of cups provided.

144 - 85 = 59

There are 2 cups in a pint. To convert cups into pints, divide the cups by 2.

59 / 2 = 29 \frac{1}{2}

There are 29 and a half pints of ice cream left over from the party.
3 0
3 years ago
Marina can make 36 cupcakes in 45 minutes. How long will it take for her to make 108 cupcakes?
marta [7]
Answer:
135 minutes

Explanation:
36 cupcakes in 45 minutes can be written as \frac{36}{45}, so to find how long 108 will take, you can find it by equating these two fractions:
\frac{36}{45} = \frac{108}{x} 
Simplify by cross division:
divide 45 and 108 by 3 to simplify into this:
\frac{36}{15} = \frac{36}{15}
x = 15 
The rate is 3, so 45 • 3 = 135 minutes.

Another way of looking at it is this:
108 ÷ 36 = 3 this is the rate that you need to multiply the amount of time that it takes to make the cupcakes, so:
45 • 3 = 135 minutes.
5 0
4 years ago
Read 2 more answers
A waitress sold 10 ribeye steak dinners and 18 grilled salmon dinners, totaling $590.39 on a particular day. anither day she sol
Len [333]

Answer:

   a) The cost of ribeye steak dinners is $ 16.96.

   b) The cost of grilled salmon dinners is $ 23.37.

Explanation:

 Let the cost for ribeye steak dinners  be m and cost for grilled salmon dinners  be n.

 A waitress sold 10 ribeye steak dinners and 18 grilled salmon dinners, totaling $590.39 on a particular day.

So, we have    

         10 m + 18 n = 590.39 -------equation 1

Another day she sold 22 ribeye steak dinners and 9 grilled salmon dinners, totaling $583.49

So, we have    

         22 m + 9 n = 583.49 -------equation 2

 equation 2 x 2

       44 m + 18 n = 1166.98 -------equation 3

 equation 3 - equation 1

        44 m + 18 n - (  10 m + 18 n ) = 1166.98 - 590.39

         m = 16.96 $

  Substituting in equation 1

        22 x 16.96 + 9 n = 583.49

          n = 23.37 $

   a) The cost of ribeye steak dinners is $ 16.96.

   b) The cost of grilled salmon dinners is $ 23.37.

6 0
3 years ago
Help please !!!!!!!!!!
vichka [17]

Answer:

6 hours

Step-by-step explanation:

70 ÷ 4 = 17.5 ----- divide to find out how many miles she travels per hour.

Samantha is driving at 17.5 mph

105 ÷ 17.5 = 6 ----- divide to find out how long it will take to travel that distance.

distance ÷ time = speed

distance ÷ speed = time

5 0
3 years ago
Of the 600 people at a music festival, 420 had attended the previous year. how many people out of 100 had attended the previous
Advocard [28]
Answer is D. Hope I helped have a good day
3 0
3 years ago
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