Question

Max is saving to buy a bicycle. The bicycle he wants costs $150.00. Max has already saved $95.00. Write an equation that can be used to find the amount of money, n, that Max still needs in order to buy the bicycle. Which value from the set the set containing five, fifty five, ninety five, one hundred fifty, and two hundred forty five makes the equation true when substituting for n? Show your work or explain how you know. Max saves less than $5 each week. Write an inequality to represent the number of weeks, w, that it will take Max to save enough money to buy the bicycle.

please help me very fast

Answer 1

1. For the first question, asking to write an equation for how much more Max needs to save up, It would simply be 95.00 + n = 150.00.
This is because he has $95 and needs $n more to get to the final amount of $150.

2. For the second question, asking which number being substituted for n makes the equation true, isolate n in the equation to find what it equals. To do this, subtract 95 from both sides.
95 + n - 95 = n < This isolates the variable.
150 - 95 = 55
This means n = 55 (fifty five)

3. The inequality is a bit more complicated since it says less than $5 per week. The way I'd do it would get some kind of answer but because I haven't done inequalities like this in a while, I unfortunately can't help you with this part. I can say, however, that it more than likely has something to do with being between two values, but I'm not sure. Sorry for the inconvenience.