Answer:
Yes, Mark has $16 left and only has to pay his sister $15.
Step-by-step explanation:
1/5=x/20
use cross multiplication to find (x),which represents 20% of 20.
x/20=1/5 (cross multiply)
20=5x (divide by 5 on both sides)
x=4
This tells you that Mark gave $4 to the local charity.
20-4=16
Subtracting 4 from his original amount, he now has $16 left.
Answer: yes
Mark gave 1/5 of 20 = $4 to local charity. He has $16 left. He paid his sister $15. He still has $16 - $15 =$1 left
The first choice.
8n+2 first let’s plug in n which is 1
8(1)+2=10
The answer is 10 but Brian said the expression is equal to 83. He is incorrect because 8 times 1 is 8 and then plus 2 is 10.
I hope it helps.
40,000 + 0.2x ≥ 70,000
