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adell [148]
3 years ago
12

2. David and Josh both drove to their grandmother's birthday party. David drove 225 miles and made it in 3 hours. Josh drove 320

miles and made it in 4 hours. Who was driving the faster speed per hour, Josh or David? Please show all your calculations and write your answer in a complete sentence.
Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0
Josh was driving faster
AnnyKZ [126]3 years ago
6 0

Answer:

Josh was driving faster

Step-by-step explanation:

Josh was going faster becuase 320 divided by 4 is 80

and 225 divided by 3 is 75.

In conclusion Josh was going faster by 5mph.

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Let's see who can do this!
aliina [53]

Answer:

28

Step-by-step explanation:

KARLEE HAS 4 PENCIL PACKS.

<h3>1 PENCIL = 1/7 of pack.</h3>

∴ 1 pack has 1/7 multiplied by X.

X/7 = 1, so X is 7.

AND THEREFORE 4 PACKS CONTAIN 7*4 = 28

6 0
2 years ago
Read 2 more answers
A human society has 73 dogs and cats to be adopted. the number of cats is 10 more than twice the number of dogs. Write a system
viktelen [127]
Total: 73
dogs: x
cats: 2x+10

2x+10+x=73
3x+10=73
3x=63
x=21

dogs: x
dogs: 21

cats: 2x+10
cats: 52

Check answer:
cats+dogs=73
52+21=73

There's no need for a system of linear equations if you were to solve a real life problem like this. In calculus, they don't give a rat about HOW you get your answer to an easy algebra 1 equation, as long as you used one of the correct methods and got the right answer.

Best of luck my friend. :)
8 0
2 years ago
The number of goals scored by a soccer team varies directly as the number of shots on goal. If the Lakeside Bears scored 4 goals
enot [183]

Since it varies directly, divide the number of shots by the number of goals:

48 shots / 4 goals = 12

This tells you they score a goal every 12 shots.

Multiply shots needed by number of goals:

12 x 3 = 36

They need 36 more shots to score 3 more goals.

6 0
2 years ago
I do all things in zero sums in my head is that possible to be a zero?
elixir [45]
Yes but it dose depend on the problem
6 0
2 years ago
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A chemist needs to mix a 40% hydrochloric acid with a 70% hydrochloric acid to create a 20 oz mixture that is 55% hydrochloric a
nikdorinn [45]

Answer:

y=10

Step-by-step explanation:

5 0
3 years ago
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