I believe it is C. Multiply 640 by 7.5. You should get 4800
Answer:
x = 2
Step-by-step explanation:
Given
3x + 8x - 2 = 20 , that is
11x - 2 = 20 ( add 2 to both sides )
11x = 22 ( divide both sides by 11 )
x = 2
Complete Question:
Mrs. Roberts plants tomatoes and radishes in the areas shown in the model below.
Which expression is equivalent to the sum of the two areas?
Answer:
Step-by-step explanation:
Given
Represent the area of Tomato with A and area of Radish with B
So:
The sum of the two areas is therefore:
Substitute 35 for A and 28 for B
So, you either represent the model as:
or
Answer:
minutes at daytime rate: 3.00
minutes at nighttime rate: $2.70
total cost of call: $8.55
Step-by-step explanation:
split up the hours so you have the 5 cent charge per minute for 1 hour and you have the 3 cents a minute for an hour and a half after 8.
multiply 5 cents a minute by 60 to get the amount of money for the first hour($3.00),
next multiply 3cents a minute by an hour and a half (90 minutes) to get $2.70
next add the money together to get $5.70 and multiply that by 1.5 to get $8.55
