Answer:
0.14 or 0.142
Step-by-step explanation:
7 gallons of pure acid and 14 gallons of 10% acid
Answer:
$14.00
Step-by-step explanation:
First you round 3.75 to 4.00 because 7 is greater than 5 so it would turn the 3 to 4 than add the zeros it's 4.00. Second You multiply by three so 4.00 × 3 you will get 12.00. Than you round 1.89 to 2.00 because 8 is greater than 5 so it would turn to the 1 to the 2 than add the zeros it's 2.00. Finally you add them together and get $14.00
The answers you could use are both the second and the forth. But mostly the fourth.
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