Answer:
1 1/3
Step-by-step explanation:
First, distribute the parenthesis.
Second, multiply the fractions.
Third, add the 2 values together to get your answer in improper form.
Lastly, turn the improper fraction into mixed form.
You set up a proportion so: 12/x and 40/100
Cross multiply so 12 times 100 = 1200
and 40 times x = 40x
1200 divided by 40 = 30 minutes total
You know that he already know he spent 12 minutes doing it so
30 - 12 = 18 more minutes
Answer:
variable (a letter) <12
Step-by-step explanation:
:)
19 x (42 + 58) or 19*(42 + 58) is the expression she can use. You factor out the common term 19. The distributive rule says that we can multiply the outer 19 with each term inside to get the original expression again.
