Answer:I still have no idea
Step-by-step explanation:
50 secs
as $90÷5hrs= 18 $ per hrs
$18÷60min=$0.30 per min
$0.30÷60sec=$0.005 per sec
$0.25÷$0.005= 50sec to make $0.25
so 50sec is the answer
Answer:
Step-by-step explanation:

Multiply both sides by 7

Divide both sides by 8

x = 7
Answer:
D
Step-by-step explanation:
The treatment in the case given is the testing of the fertilizers. For portions labelled A : Old fertilizers, B : New fertilizers , C : No fertilizers.
Each and every soil is treated with 3 different fertilizers at each and every type of soil, the results are interpreted from harvest of soybeans