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stiv31 [10]
3 years ago
12

How many dimes and quarters? what would the system look like? picture is linked!!!

Mathematics
2 answers:
Marrrta [24]3 years ago
7 0

Answer:

I think it is twenty-three dimes and one quarter

nata0808 [166]3 years ago
6 0

Answer:

7 quarters and 8 dimes

Step-by-step explanation:

If you count up the amount of money that 7 quarters is, then they are equal to $1.75. Next you would add 10 to that amount until you got to $2.55, and you would end up with 8 dimes. And 8 + 7 = 15.

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Svetach [21]
It’s a $17 discount
8 0
3 years ago
A train leaves San Diego at 1:00 pm. A second train leaves the same city in the same direction at 3:00 pm. The second train trav
Soloha48 [4]

Answer:

The speed of the first train is 45 mph and the speed of the second train is 75 mph

Step-by-step explanation:

Let x represent the speed of the first train in mph. Since the second train, is 30 mph faster then the first, therefore the speed of the second train is (x + 30).

The first train leaves at 1:00 pm, therefore at 6:00 pm, the time taken is 5 hours. Therefore the distance covered by the first train at 6:00 pm = x mph * 5 hours = 5x miles

The second train leaves at 3:00 pm, therefore at 6:00 pm, the time taken is 3 hours. Therefore the distance covered by the second train at 6:00 pm = (x + 30) mph * 3 hours = (3x + 90) miles

Since the second train overtakes the first at 6:00 pm, hence:

3x + 90 = 5x

2x = 90

x = 45

Therefore the speed of the first train is 45 mph and the speed of the second train is 75 mph (45 mph + 30 mph).

7 0
3 years ago
Henry paid $84 for 3 shirts. each shirt costs the same amount. let s represent the cost of each shirt. solve the equation 3s=84
KengaRu [80]
Hmm, 3 shirts cost $84 all together 84 divided by 3 is 28. 28+28+28=84. Each shirt had to be $28 to equal $84 for the final price. Hope this was right!
4 0
3 years ago
1. London Heathrow airport sees on average 191,200 passengers a day. How many passengers is this per minute?
sladkih [1.3K]
191200 / 24 hours in a day = 7966.67 people per hour

60 minutes in 1 hour

7966.67 / 60 = 132.78 people per minute  round to 133 people
4 0
3 years ago
What is the answer?<br> A) 12<br> B)10<br> C)7<br> D)16
Alika [10]

Answer:

g

Step-by-step explanation:

5 0
3 years ago
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