B, x=12 because 140-80=60, 60/5=12
Answer:
answer
Step-by-step explanation:
The proper answer to this question is "21378.6".
Reason:
2.13786 *10^4
Step-by-step explanation:
Maybe she had
128 + 9 = 137 buns
Answer:
Step-by-step explanation:
Let
be the greater number and
be the smaller number. We know that their difference is 15, so we have

Then, we have the following information: if we add twice the greater (2x) and 8 (2x+8), the result is 3 times the lesser (3y) minus four (3y-4). So, we have

So, we have the follwing system:

From the first equation, we can derive
, and substitute this expression in the second equation to get

Substitute this value for y in the first equation to get

Answer:
87/9
Step-by-step explanation: