Answer:
It's in the doc below
Step-by-step explanation:
Hope it helps
Combine the fractions by finding a common denominator.
10r+9/r(r+3)
Answer:
35
/72
Step-by-step explanation:
5
/8 × 7
/9 is 35
/72
all you have to do is multiply
5×7 and 8×9
I think is 22
sorry if i'm wrong
<u>Answer:</u>
- For 15 pens, the cost is $7.2
<u>Step-by-step explanation:</u>
<u>We know that:</u>
<u>Work:</u>
Divide the RHS:
- => 1 pen = 3.84/8
- => 1 pen = 0.48
Multiply the RHS:
- => 15 pens = 0.48 x 1
- => 15 pens = $7.2
Hence, <u>for 15 pens, the cost is $7.2</u>
Hoped this helped.
