Answer:
1. Nolan saved $3.45
2. She can make 45 bows
3. Â The total cost for gas was $42.73
Step-by-step explanation:
1. Â $20.95 - 17.50 = $3.45
Nolan saved $3.45
2. You need to divide not multiply
30 ÷ 2/3
copy dot flip
30 * 3/2
90/2
45
She can make 45 bows
3.  9 /12 = 9.5 as a decimal  7 3/10 = 7.3 as a decimal
 9.5 * 2.50 = $23.75 for gas last week
 7.3 * 2.60 = $18.98  for gas this week
add  23.75 + 18.98 = $42.73