Answer:
119 r 9
Step-by-step explanation:
Answer:
22
Step-by-step explanation:
The mistake was when she multiplied the 2nd equation by 5, she forgot to also multiply that last number 10 by 5 as well.
correction :
5x + 3y - z = 15
-x + 2y + 3z = 10...multiply by 5
---------------------
5x + 3y - z = 15
-5x + 10y + 15z = 50 (result of multiplying by 5)
--------------------add
13y + 14z = 65
Answer:
.44 pounds of sugar are used in each cake
Step-by-step explanation:
Just divide 440 by 1,000
Answer:
7 = 0(-2) + b
Step-by-step explanation: