Answer:
$16.25
Step-by-step explanation:
Half a gallon for $2.50 is the same as a quarter a gallon for $1.25.
If she needs 3.25 gallons, which is 13 quarters, we do $1.25 * 13 = $16.25.
Therefore, she will spend $16.25.
She can buy 20 $1 items or 10 $2 items or a mixture of both.
First draw a number line both +ve and -ve integers and first represent root 2 on the number line and then root 3 and 4 5 6 and at last repesent 7 on it