Answer:
Step-by-step explanation:
Let the number of coupon books be c and recipe books be r.
<u>Then we have following equations:</u>
- c + r = 42
- 12c + 7.5r = 441
<u>Substitute r in the second equation and solve for c:</u>
- r = 42 - c
- 12c + 7.5(42 - c) = 441
- 12c - 7.5c + 315 = 441
- 4.5c = 441 - 315
- 4.5c = 126
- c = 126/4.5
- c = 28
Where did you get that A and B? I could answer if you were much more precise.
R/10 +4 =5
-4 -4
r/10=1
r=10
Hope this helps!
If you want to find equivalent fractions to you can multiply the numerator and denominator by the same number. You don't change the value of a fraction if you multiply its top and bottom numbers by the same number because you are just multiplying by 1.
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Some equivalent fractions of 6/9 are:
2/3 = 4/6 = 6/9 = 8/12 = 10/15 = 12/18 = 14/21 = 16/24 = 18/27 = 20/30 = 22/33 = 24/36 = 26/39 = 28/42 = 30/45 = 32/48 = 34/51 = 36/54 = 38/57 = 40/60
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Answer:
Ounces
Step-by-step explanation:
Metric tons and tons is too much while kg is too little.
