Answer:
The first one is correct.
Step-by-step explanation:
<u>Boris:</u>
105 mins = 630 dishes
1 min = 630 ÷ 105 = 6 dishes
<u>Reuben:</u>
70 mins 630 dishes
1 min = 630 ÷ 70 = 9 dishes
<u>Boris and Reuben:</u>
1 min = 6 + 9 = 15 dishes
<u>Number of numbers needed to rinse 630 dishes:</u>
630 ÷ 15 = 42 mins
Answer: They will take 42 mins if they rinse the 630 dishes together.
Answer:
see below
Step-by-step explanation:
A geometric sequence is one in which each term is a constant multiplied by the previous term. The appropriate formula is ...
Answer:
it 40 :)
Step-by-step explanation:
Answer:
$469887
Step-by-step explanation:
you should use compound interest formula which is
A=P(1+r/100) ^t
A = 242800 ( 1 + 0.045 ) ^ 15
when you punch this into a calculator you will get 469886.5771.....
when you round it off to a whole number the answer is $469887
