Jenna's parents have given her an interest-free loan of $100 to buy a new pair of running shoes. She plans to pay back the loan with monthly payments of $20 each. a. Write a function rule for the balance function B(p), where p represents the number of payments that Jenna has made. b. After how many payments will Jenna have paid back more than half the loan? Explain your reasoning. c. Suppose the loan amount were $120 and the monthly payments were $15. Write a rule for the new balance function and use it to determine how long it would take Jenna to pay off the loan.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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