Tina has two part-time jobs. She earns $12 per hour working at a store. She earns $30 per lawn mowed working for a landscaper. Her goal is to earn $1,800 to pay her monthly expenses. The situation can be modeled by the formula below, where gg represents the hours Tina works in the grocery store and mm represents the number of lawns mowed. 1,800=12g+30m1,800=12g+30m After Tina learns how many hours she is scheduled to work in the grocery store, she has to figure out how many lawns she needs to mow that month. Which equation shows the formula correctly rearranged to find mm given gg ?
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.
Tina has two part-time jobs.
- She earns $12 per hour working at a store.
- She earns $30 per lawn mowed working for a landscaper.
Her goal is to earn $1,800 to pay her monthly expenses.
The situation can be modeled by the formula below, where gg represents the hours Tina works in the grocery store and mm represents the number of lawns mowed.
1,800=12g+30m1,800=12g+30m
After Tina learns how many hours she is scheduled to work in the grocery store, she has to figure out how many lawns she needs to mow that month.
Which equation shows the formula correctly rearranged to find mm given gg ?
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