Ben and Blake both love to collect baseball cards. The ratio of cards that Ben has compared to the number that Blake has is 2:3.
If Blake buys 500 more cards, he will have 3800 cards. How many cards does Ben currently own?
1 answer:
Answer:
2200 baseball cards
Step-by-step explanation:
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X and y
2(x+y)=xy
x is 3 times y
x=3y
easy, sub 3y for x
2(3y+y)=(3y)y
2(4y)=3y²
8y=3y²
divide both sides by y
8=3y
divdie both sides by 3
8/3=y
sub back
x=3y
x=3(8/3)
x=8
the smaller number is 8/3
larger is 8
Answer: 3 • (x + 2) • (3x + 7)
Step-by-step explanation:
Positive plus positive equals positive negative plus negitive equals negitive
Use the formula for area of a triangle:
Area = 1/2 x base x height.
Fill in what you know:
40 = 1/2 x 20 x height
Multiply both sides by 2:
80 = 20 x height
Divide both sides by 20
Height = 4 m
Answer:
y=4x-10
Step-by-step explanation:
See attached image
