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KiRa [710]
4 years ago
8

Ben is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3 times as old as Daniel. Ho

w old is Ben now?
Mathematics
1 answer:
serg [7]4 years ago
7 0
 Daniel was 10 three years ago, and Ben was 30.  Now, Ben is 33.
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Can you help with this? Thank you!
Gnom [1K]

To solve for j, cross multiply:

4 x 45 = 18 x j

180 = 18j

Divide both sides by 18:

j = 10

5 0
3 years ago
Read 2 more answers
Suppose your cell phone carrier charges you a monthly fee of $30.00 for up to 300 minutes and $0.45 for each additional minute a
tigry1 [53]

Answer: Need more info. We need to know how many minutes over the 300 minutes were used in order to calculate the correct monthly fee.

Step-by-step explanation:

6 0
3 years ago
One lap around the school track is 5/8 of a mile Carin ran 3 1/2 laps how far did she run
bearhunter [10]

Given length of a lap = 5/8 mile.

Number of laps Carin ran = 3 1/2 laps.

3 1/2 can be read as 3 and a half. In improper fractions, it can be written as

(3*2+1)/2 = 7/2 laps.

In order to find the total distance covered in 3 1/2 or 7/2 laps, we need to multiply length of a lap by total number of laps ran.

Therefore, total distance covered = 7/2 × 5/8.

=\frac{7}{2}\times\frac{5}{8}

Multiplying across, we get

= \frac{7\times5}{2\times8}

=\frac{35}{16}

Let us convert 35/16 into mixed fractions.

On dividing 35 by 16, we get 2 quotient and 3 remainder.

So, the mixed fraction would be 2 3/16.

Therefore, she ran 2 3/16 miles in 3 1/2 laps.


4 0
3 years ago
Use the distributive property to write the following expressions in expanded form. e ( f + g )
NemiM [27]

Answer:

ef + eg

Step-by-step explanation:

Distributive Property: a(b +c) = (a*b) + (a*c)

e(f +g) = e*f + e*g

           = ef + eg

4 0
3 years ago
Given m<br> || n, find the value of x and y.<br> (3y-18)º<br> m<br> (8x+12)°<br> (2x+18)<br> n
sukhopar [10]

Step-by-step explanation:

plz check the attached for full explained solution

3 0
3 years ago
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