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uranmaximum [27]
3 years ago
6

Ralph runs at a constant rate of 3 miles per hour how long will it take ralph to run 15 miles

Mathematics
2 answers:
dem82 [27]3 years ago
6 0
He runs 3 miles per hour and he wants to run 15 miles
15 divided by 3 which would equal 5
He would need 5 hours to run 15 miles
solmaris [256]3 years ago
4 0
It will take Ralph 5 hours to run 15 miles at a rate of 3/mph
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Sage is 7 years older than Jonathan. If Jonathan is x years old, how old was Sage 10 years ago?
Natalija [7]

Answer:

(x-3) years

Step-by-step explanation:

We are given that

Age of Jonathan= x years

Sage is 7 years older than Jonathan

It means

Age of Sage=(x+7) years

We have to find the age of Sage 10 years ago.

10 Years ago,

Age of Jonathan=(x-10) years

Age of Sage=(x+7-10) years

Age of Sage=(x-3) years

Hence, 10 years ago, age of Sage =(x-3) years

4 0
2 years ago
How do i solve for x
Vladimir79 [104]
Multiply both sides by 2 to clear the fraction.
-3x + 6 <= 24
subtract 6 from both sides.
-3 x <= 18
divide both sides by -3, since you're dividing an inequality by a negative number you have to change the direction of the inequality sign.
x >= -6
3 0
3 years ago
A cab charges $1.75 for the flat fee and $0.25 for each mile. write and solve an inequality to determine how many miles eddie ca
ad-work [718]
The answer is <span>a. $1.75 + $0.25x ≤ $15; x ≤ 53 miles
</span>
x - the number of miles
C - the cab charge

<span>A cab charges $1.75 for the flat fee and $0.25 for each mile:  C = 1.75 + 0.25x.
</span><span>Eddie has $15 to spend. So, he cannot spend more than 15 on the cab and the maximum amount he can spend is 15. Therefore:
</span>1.75 + 0.25x ≤ 15

Now, let's solve it:
0.25x ≤ 15 - 1.75
0.25x ≤ 13.25
x ≤ 13.25 / 0.25
x ≤ 53
3 0
3 years ago
3
zlopas [31]
The answer would be C. 5(5) + 2(2) = 29
(5) + 4(2) = 13
3 0
3 years ago
1. Amanda buys a new car for $65,000 and had to pay 8.75% sales tax. i. How
svetoff [14.1K]

Step-by-step explanation:

<em>Amanda had to give away 8.75% </em><em>of</em><em> $65,000.</em>

So:

(8.75÷100) × 65,000

= $5687.5 of tax

8 0
3 years ago
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