Please answer 3 but if all are anwsered I !!will mark brainliest!!

Answer:
1- $24.90
2- 60
2- $2.04
4- $1476
5- $77
Step-by-step explanation:
1- 6 x 3.80 = 22.8
22.8 + 3.10 = 25.90
2- 1 hour = 2 thirty minutes
15 x 4 = 60
3- 3.4 x .60 =$2.04
4- 6 x 3 = 18
18 x 12 = 216
15 x 7 = 105
105 x 12 = 1260
1260 + 216 = 1476
5- 5 x 14 = 70
70 + 7 = 77
Answer:
3) 3.80*6+2.10 = $24.90
4) 15° in 30 mins, which means 30° in an hour. so in two hours. 2x30 = 60°
5) $0.6/lb*3.4lb = $2.04
6) 6*10+7*9 = 60+63=123sqft*$12/sqft= $1,476
7)$14/hr*5.5hr =$77.00
Step-by-step explanation: