You spent 9 dollars. why? because your neighbor spent 3 times more than you, which means you spent 1/3 of what he spent. so just multiply by 1/3 to get 9.
this can also be modeled by an equation. 3x = 27
divide 3 on both sides to get
x = 9
Answer:
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
a^3=72900/100
a=(729)^1/3
a=9
Answer:
what exactly am i solving for ?
Step-by-step explanation: