Answer:
61.66
Step-by-step explanation:
1. Multiply
2. divide
Answer:
45 should be it
Step-by-step explanation:
Answer: 0, 7, 14, 21, and 28
Step-by-step explanation: To find the first 5 multiples of 7, multiply 7 by the first 5 whole numbers which I have done for you in the image attached.
To quickly review, the set of whole numbers are shown below.
{0, 1, 2, 3, 4, ...}
The numbers that I have highlighted in green will be your first 5 multiples.
The new model is 11/40 of an inch thinner than the old model.
In order to do this, we need to subtract the new model from the old model.
7/8 - 3/5
In order to complete this, we will need common denominators.
35/40 - 24/40
Then simply complete the operation.
11/40
Mark is 20. 55 - 15 = 40, 40 / 2 = 20. Mark is 20