<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.
I think x equals 155 I may not be right but that's what I got.
20986
BIG FAT BADUSSY AMONG US BALLS
Ben accidentally switched the hundred thousands and millions place. He can simply revert them again.
Answer: 8.2×10^-3
Move the decimal over three places to eliminate unnecessary numbers (0s). Since you are moving the decimal to the right it will be 10 to a negative number.
