Answer:
4.5
Step-by-step explanation:
beginning- x+5=3x-4
combine like terms- 9=2x
divide- x= 4.5
D
0.4 multiplied by x would give you the percentage and putting x over 2 would give you half of that number
Answer:
The correct answer would be option C.
Step-by-step explanation:
Since he gives the dog 3 liters of water and 500 grams of food a day we know that on the fifth day the dog will have gotten 15 liters of water and 2,500 grams of food.
Answer: 2, 20 dollar bills and 1, 1 dollar bill, and there is no way to use 8 coins to get 11 cents you can use 7 by using 1 nickel and 6 pennies
Step-by-step explanation:
Answer:
y($) = 405- 20x
Step-by-step explanation:
Number of short driveways = x
Number of long driveways = 9-x
Fee per long driveway = $45
Fee per short driveway= $25
Total amount = y
y ($) = 25x + 45 (9-x)
= 25x + 405 -45x
= 405- 20x
