To solve this problem, we can set two equations.
Let x be the cost of coffee and y be the cost of latte.
Two coffees and one latte: 2x + y = 10.50
y=10.50 - 2x ...(1)
Three coffees and two lattes: 3x + 2y = 17.00...(2)
Put (1) into (2), we have:
3x + 2(10.50-2x) = 17.00
3x + 2(10.50) - 2(2x) = 17.00
3x + 21 - 4x = 17
Put the unknown to one side:
3x -4x = 17 - 21
-x = -4
When there are negative numbers on both sides, we can take the negative signs away:
x= 4
Therefore, cost of one coffee is A. $4.00.
Hope ot helps!
Answer:
A) 240 games are not defective
Step-by-step explanation:
1% of 250 = 2.5
*4 *4
4% of 250 = 10
250 - 10 = 240
240 games are not defective
Complement =90
90-35=55degrees is your answer
#1.) 9
2.) 6
3.) 3
4.) 24
2a.) 7 2b.) 18 2c.) 13
Answer:
Hi there!
Your answer is:
0+ 10i!
I takes away the negative. √100 is equal to 10
