<span> 1.5(0.8x-1.2) = 0.2x+1.2
1.2x-1.8=0.2x+1.2
+1.8 +1.8
1.2x=0.2x+3
</span>
1.2x=0.2x+3
-0.2x -0.2x
x=3
Edwrdrckfdt
Edwarddtrfgfrfyb edtdvygn
I = prt is the formula for simple interest
400 = 8000* .02 * t
400 = 160 * t
2.5 = t
2.5 years to earn $400 interest
Answer:
12 minutes
Step-by-step explanation:
4 minutes= 7 kilometers
=> 4*3 minutes= 7*3 kilometers
=12minutes=21km
