10x + 40 = 100
A restaurant owner sells each plate of rice for 10 dollars plus an additional 40 dollars for the entrance. Mack goes to that restaurant and pays 100 dollars in total. How much plates of rice did he order?<span />
<span>3x+4=y+5, then y+5=3x+4
It is called: reflexive property
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<span>x = y and y = 10, then x = 10
It is called: equality substitution property
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The correct answers are 6/9 and 4/6
Answer:
x = 3.748
Step-by-step explanation:
this problem requires logs

x = 2 + log_7 (30) or 3.7479