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JulijaS [17]
3 years ago
13

6. An ice cream costs 15 more than a cold drink. If the cost of

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0

Answer:

The price of a cold drink is 10 dollars.

Step-by-step explanation:

We can use proportion.

\frac{5 \:  ice \: creams}{125 \: dollars}  =  \frac{1 \: ice \: cream}{x}  \\  \\  \frac{5x}{5}  =  \frac{125}{5}  \\  \\ x = 25

So we found out that one ice-cream costs $25.00.

The statement said, "An ice cream costs 15 more than a cold drink"

In other words, A cold drink costs 15 dollars less than an ice cream.

So we would subtract.

25 - 15 = 10

So a cold drink costs $10.00.

Lorico [155]3 years ago
5 0
10.00 dollars is the answer
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UPS charges $6.00 for the first pound, $1.00 for the second pound, and $0.15 for each additional pound. FedEx charges $4.00 for
Pavlova-9 [17]

Answer:

12 pounds

Step-by-step explanation:

We we need to write equations to represent the situation in this problem.

x=weight of package

UPS cost=6+1+0.15(x-2)

UPS cost=6+1+0.15x-0.3

UPS cost=6.7+0.15x

FedEx cost=4+2+.25(x-2)

FedEx cost=4+2+0.25x-0.5

FedEx cost=5.5+0.25x

Next, we can set the two equations equal to each other to solve for x.

6.7+0.15x=5.5+0.25x

6.7+0.15x-5.5=5.5+0.25x-5.5

1.2+0.15x-0.15x=0.25x-0.15x

1.2/0.1=0.1x/0.1

x=12

It takes 12 pounds for the UPS and FedEx packages to cost the same amount to ship.

8 0
3 years ago
what is the average speed of a train that covers 80 km in 1 hour, 200 km in 2 hours and 420 kn in 4 hours
omeli [17]

Answer:

95

Step-by-step explanation:

80+(200 divided by 2)+(420 divided by 4)=285

285 divided by 3=95

6 0
3 years ago
A line has slope 5/6 and y-intercept-3
viva [34]

Answer:

The equation would be y = 5/6x - 3

Step-by-step explanation:

8 0
3 years ago
21) Bob ran the first part of a 12 km race at a speed of 8 kmph. He ran the second part of the
diamong [38]

Answer:

Step-by-step explanation:

Bob ran the first part of a 12 km race at a speed of 8 kmph. He ran the second part of the

race at 10 kmph. If his total time for the entire race was 1.74 hours, how far did he run in

the first part of the race?

First part :

Total Distance = 12 km

First part Speed = 8kmph

Let distance covered on first part = x

Second part speed = 10kmhr

(8*x)

6 0
3 years ago
3-X²=-7<br><br> How do I solve
irga5000 [103]

Answer:

x = 3.162

Step-by-step explanation:

Your first step is to get x by itself by subtracting 3 from both sides.

3-x^{2} = -7

-x^{2} = -10

Now multiply by both sidex by -1 to make x positive.

x^{2} = 10

now take the square root of both sides.

\sqrt {x^{2} = \sqrt{10}

x = \sqrt{10}

x = 3.162

8 0
3 years ago
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