Answer:
1. 39 km/hr
2. $235
3. 16
4. 7m+3 inches
Step-by-step explanation:
1. Original speed of car: x km
x+21=60
x=39
original speed: 39 km/hr
2. Amount that the freshman class raised: x
2x+85=555
2x=555-85=470
x=235
Amount that the freshman class raised: $235
3. Number: x
5x-9=71
5x=71+9=80
x=16
The number: 16
4.
3m+5+4m-2
= 3m+4m+5-2
=7m+3 inches
above, -6 and -<span>1 2x2</span> - 6x - 1x - 3. Step-4 :
The area of his backyard is 120 yards or 360 feet since one yard is 3 feet. unit rate is it would cost $0.06 to cover each foot in his backyard. since he has to cover 360 feet multiply .06 by 360 and get 21.60. so it costs $21.60 to cover that guys backyard with grass. ya welcome :)
Answer:20
Step-by-step explanation:
You need to have the radius of the circle , or it’s area
