The scale shows that both sides are equal to each other so you get 3x-2=4 then you simply solve for X
3x=6 and finally you get x=2
Hope this helps
Answer:
1st question answer is A = πr^2 2nd question answer is A≈28.27ft²
Step-by-step explanation:
Answer: 15 minutes is spent on reading
Step-by-step explanation:
1 hour = 60 minutes
Jeny spends 3/5th texting
= 3/5 x 60 = 36 minutes
Remaining = 60 - 36 = 24 minutes
3/8 on brushing and pyjamas
= 3/8 x 24 = 9 minutes
Remaining time is 60-36-9 = 15
Answer:
The price of one cookie is $1.25 and the price of one cake is $15.
Step-by-step explanation:
Let $x be the price of one cookie and $y be the price of one cake.
1. On Monday, Sean bought 3 cookies and 5 cakes, then he spent $(3x+5y) and this is $78.75. Thus,
2. On Tuesday, Sean bought 8 cookies and 2 cakes, then he spent $(8x+2y) and this is $40. Thus,
3. Solve the system of two equations:
Multiply the first equation by 2 and the second equation by 5 and subtract them:
Then