Answer:
I tried but I couldn't figure it out sorry
HE was planning to pay 30$ but it ended up as 60$ so in that case it´s 42$.
Do cross-multiplication
<span>72/x = 60/100 </span>
<span>so </span>
<span>60 times x = 72 times 100 </span>
<span>so </span>
<span>60x = 7200 </span>
<span>then divide both sides by 60 </span>
<span>x = 120</span>
Answer: I believe the answer is 360 in.
Step-by-step explanation:
You can use Khan Academy
The slope of the line through (1,0) and (3,8) is 4