Answer: 13n + 20
Step-by-step explanation:
The cost of each book is $13. That means that if you end up buying "n" books, cost would be:
= Cost of each book * number of books
= 13 * n
= 13n
You would also get charged a flat rate for shipping of $20 which would be added to the above cost to bring a total of:
= 13n + 20
Answer:
3x+7=10x
Step-by-step explanation:
you are just adding 7+3 then you add the vairable term
First we convert 6 kg to grams which should be 6000 grams, since there are 1000 grams in one kg.
Subtract 2500 from 6000 and we get 3500 grams, which is your answer
Let’s call the distance travelled on the first day ‘x’.
If the distance they drove on the second day was 5 times the first day, we can write it as ‘5x’.
And now, if we add the distance travelled on the first day and the second day, you’ll have the total distance travelled (which we know is 240 miles from the question).
Therefore:
x + 5x = 240
6x = 240
x = 240/6
x = 40
x (which is the distance travelled on the first day) is equal to 40, therefore your final answer is 40 miles.
