You multiply three( # of shirts) and 15.90 ( price)
The answer is $47.70 is how much he spend
Answer:
Step-by-step explanation:
1
the initial level is below normal so it is represented by a negative number. the level continued to decrease in June and July so those changes are also represented by negative numbers. find the sum of these values to find what the new level was with respect to the normal level
2
write the mixed numbers as improper fractions
3
get common denominator
4
add the numerators since all the numbers are negative and have a common denominator. write the improper fraction as a mixed number
In standard form the two equations are
7x +y = 5
7x +y = -5
The equations describe lines that are parallel.
5n=30+3n You need to exclude the 4 due to for the first 4GB cost $30 then $3 for each additional GB used