Stephanie spent half or her weekly allowance playing arcade games. To earn more money her parents let her clean the oven for $7. What is her weekly allowance if she ended with $12.
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.
Firstly we have unknown money which is her allowance money. And she spent her half of her allowance money on playing arcade. Now she left with half of her allowance. Now she clean oven and get $7 now she have total money which is equal to sum of half of her allowance and $7.
At the end,she have total money $12 which equal to sum of her remaining allowance and $7 she get by cleaning the oven.
we make linear equation from these data and solve for unknown value which is her allowance.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
