Step-by-step explanation:
Is 5x +y greater than or equal to 1
Answer:
30
12 is 40% of the total number of cards.
12 = 0.4x, where x is total number of cards
/0.4 /0.4
30 = x
30 cards
A. a rectangle and a triangle
1 bookcase = 1/5 gallons
x bookcase = 3 gallons
1/5x = 3
x = 3/0.2
x = 15
