Answer:
22 millilitres of 13% solution
23 millilitres of 19% solution
Step-by-step explanation:
A + B = 45
13A + 19B = 45 x 17 = 765
-13A - 13B + 13A + 19B = -650 + 765 = 115
5B = 115
B = 23
22 + 23 = 45
A = 22
Answer:
The laptop was 934 dollars.
Step-by-step explanation:
The equation you should use to solve this is 120 + 11 (74) since the down payment was a one-time thing and she pays 74 dollars for 11 months, not including the first month.
When you solve that, you will get 934 which is the correct answer.
Answer:
all work is shown and pictured
Answer: The answer is A. -21
Its simplified and i just multiplied 3 by -7 :)
Answer: No, she cannot
Step-by-step explanation:
this is because 194 divided by 6 = 32.333333333, which is an uneven number. hope this helps!