So,
Let Consuelo's spendings be c and Brenda's spendings be b.
We have our first equation: c = 2b - 3
And our second equation: c = 81
Substitute 81 for c
81 = 2b - 3
Add 3 to both sides
84 = 2b
Divide both sides by 2
42 = b
Brenda spent $42.
Answer:
n=3
Step-by-step explanation:
combine like terms
put 5n to the other side by subtracting it
4n-7=5
no add 7 to other side
4n=12
divide 4 by the 12
n=3
Divide both values by two to get a unit rate of 8 minutes per mile. Multiply 8 by 5 to get 40 minutes
a quarter of butter in each bowl Step-by-step explanation:
Answer:
30°=15° 52°=26° 172°=86° 171'30°=85.75°
Step-by-step explanation:
okay so re-reading over the question, and analyzing what the question wants us to answer, you will then realize that the way to get the answer is to divide x by 2.
our x examples, in this case, would be 30°,52°,172°, and 171'30°.
and that's how you find the answer to this type of question. :)))