Ok so you divide the bill by 2 because you each are paying half. You knock off $4 because you owed him that from last time and you pay $9. So this would equal to b/2 -4 =9. If you work it out in reverse, you get 4+9 which equals 13 then multiplied by 2 which means the total bill was $26.
So we have 5+3x=11. We subtract 5 from both sides and get 3x=6. we divide both sides by 3 and get x=2. Daniella skated for 2 hours
Answer:
A
Step-by-step explanation:
I'm not entirely sure but please let me know if I'm right
0.191= 19.1%
338mL × 0.191= 64.558mL acid
We round to the nearest tenth, getting a total of 64.6mL acid.
Answer:
460 minutes, or 7 hours and 20 minutes.
Step-by-step explanation:
Your formula is 0.14x+23=0.19x
X represents your minutes.
0.14*460+23=87.4
0.19*460=87.4
Answer:
√2, pi.
Step-by-step explanation:
An irrational number cannot be written as a fraction a/b where a and b are integers ( not = 0)..
