I hope this helps you
1/21+1/28=1/t
4/84+3/84=1/t
5/84=1/t
t=84/5
84/5 1
21 ?
?.84/5=1.21
?=5/4
Answer:
min = a_1
for i:= 2 to n:
if
< min then min = 
return min
Step-by-step explanation:
We call the algorithm "minimum" and a list of natural numbers 
So lets first set the minimum to 
min = a_1
now we want to check all the other numbers.
We can use a simple for loop, to find the minimum
min = a_1
for i:= 2 to n:
if
< min then min = 
return min
Answer:
it should be cost, because when there is more quantity of something there will be less price.
it is c and dont get it wrong