If I did this correct, it should be 7,5 hope ot helps
Answer:
two hundred and forty million dollars for the supply at $40 a barrel.
Step-by-step explanation:
A and B PLEASE check though I am still human and I make mistakes
This kind of problem request the use of harmonic mean:
if t₁ is the Time spent by Jessica, and
t₂, the time spent by Felecia, and t₃ the time spent by both, then the equation of that kind of problem will be:
1/t₁ + 1/t₂ =1/t₃.
t₁ = 1h45 min, t₂ (unknown, to be calculated), t₃ = 1 h, to ease things let' convert the time in minutes
t₁ = 105 min
t₂ = ?(time needed to Felicia to maw the lawn)
t₃ = 60 min
1/105 +1/t₂ = 1/60===> 1/t₂ = 1/60 - 1/105==> 1/t₂ =1/140
& t₂ =140 minutes or t₂ = 2h & 20 min
I think the equation would be y=32000(1/2x). The y intercept would be, (16000 , 1) (8000 , 2) (4000 , 3).