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Llana [10]
3 years ago
5

Peter, Maria and Jacob go to school together. While Peter was doing 3 steps, Maria was doing 5 steps. While Maria was doing 3 st

eps, Jacob was doing 5 steps. Maria and Jacob counted that they had made 400 steps together. How many steps did Peter do?
Mathematics
1 answer:
mixas84 [53]3 years ago
7 0

Answer:200

Step-by-step explanation:

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According to the rule of 72, if Gina invests $100, $500, and $1000 into three separate accounts with the same interest rate, whi
Makovka662 [10]
Let's say the APR is 5%. That means you get 5% of your balance back every year. The $100 balance would get $5 back, the $500 balance would get $25 back, and the $1000 balance would get $50 back. Therefore, all of the balances would take the same amount of time to double, and it would take all of them 20 years.

$5*20 years=$100
$25*20 years=$500
$50*20 years=$1000
7 0
3 years ago
Mark made a business trip of 259.5 miles. He averaged 59mph for the first part of the trip and 57mph for the second part. If the
max2010maxim [7]

Answer:

Step-by-step explanation:

d = r * t

Let the time at 59 miles /  hour be t

59*t + 57* (4.5 - t) = 259.5              Remove the brackets

59*t + 256.5 - 57*t = 259.5            Combine the left

2t + 256.5 = 259.5                         Subtract 228 from both sides

2t = 259.5 - 256.5                          Combine

2t =  3                                              Divide by 2

t = 1.5

So he spent 1.5 hours going at 59 miles per hour

He spent 4.5 - 1.5 = 3 hours going 57 miles per hour.

                               

8 0
2 years ago
What did Pinocchio say to his barber
ExtremeBDS [4]
<span>"Chisel a whittle off the top, please."</span>
7 0
3 years ago
Read 2 more answers
The population of a city is expected to increase by 7.5% next year. If p represents the current population, which expression rep
igor_vitrenko [27]

Answer:

1.75 p

Step-by-step explanation:

if you wouldn't mind giving me brainliest, i'm just trying to rank up.

8 0
3 years ago
Please answer and explain.
djyliett [7]

Answer:

x = 13

Step-by-step explanation:

The sum of the exterior angles of a 4 sided polygon is 360

139+ 6x+9x+2x = 360

Combine like terms

139+17x=360

Subtract 139 from each side

17x = 360-139

17x = 221

Divide each side by 17

17x/17 = 221/17

x = 13

8 0
2 years ago
Read 2 more answers
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