Answer:
D
Step-by-step explanation:
His rate is 4.5 miles per hour. It would take him 4 hours to hike 18 miles. He would have traveled 31.5 miles in 7 hours.
-2-3x=3+1x
-2-3=1x+3x
-5=4x
x=-1.25
$3.18
Explanation: I am a cashier hahaha
Area of rectangle = l × b
l = 70cm
b = 8cm
Area = 70 × 8 = 560cm²
Area of rectangle = l × b
l = 78cm
b = 15cm
Area = 78 × 75 = 1170cm²
