Answer:
690
Step-by-step explanation:
Round from the tens place.
The expression in company B represents that is is in arithmetic progression where first term is 42000 and common difference is 1800 . So we have to use the formula of sum of n terms which is

Where a is the first term, n is the nth term, d is the common difference
On substituting there values,we will get

= 15(84000+52200) = 15*136200 =2043000
And for company A, it is

Difference between them =2043000-2002500= 40500
So the correct option is the second option .
Answer:
12kg=7.68
1.5=87
Step-by-step explanation:
I found the cost per kg
3 6/10÷ 9
36/10×1/9
36/90
.4<1
(Less than)
Hope this helps!
Answer: 40
Step-by-step explanation: