R/ r+ 15 = 3/8
Cross multiply: top of one side multiplied by bottom of other side:
R x 8 = 3 x r+ 15
Simplify:
8r = 3r + 45
Subtract 3r from both sides:
5r = 45
Divide both sides by 5:
R = 9
$54 is your answer
You multiply $12.00 by 4 packs of pens and then add $6.00 for the pencils.
Answer:
11/54 is n did you want it in decimal form 0.2037 bar on top of 03
B is correct hope this helps
