Answer:
$2.53
Step-by-step explanation:
$0.46 * 5.5 pounds = $2.53
The original class had 32 students. 25% of 32 is 8 and 32+8=40
-3x+7y=5 (x2) -> -6x+14y=10
-6x+14y=10
-8x+14y=-10
——————— -
2x=20
x=20/20
x=1
Susbstitute x=1,
-8x+14y=-10
-8(1)+14y=-10
-8+14y=-10
14y=-10+8
14y=-2
y=-2/14
y=-1/7
I hope it helps
10/4 is 2.5. The snail travels 2.5 cms ever min. So 24/2.5 is 9.6 so the snail takes 9 mins and 36 seconds.
