Your need to purchase more masks and hand sanitizer. You buy 3 masks and 7 bottles of hand sanitizer. You spend a total of $31. Your friend buys 4 masks and 5 bottles of hand sanitizer. They spend $30.50. How much does a mask cost and how much does a bottle of hand sanitizer cost? What are the first and second variables and hat are the first and second equations?
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Your need to purchase more masks and hand sanitizer. You buy 3 masks and 7 bottles of hand sanitizer. You spend a total of $31. Your friend buys 4 masks and 5 bottles of hand sanitizer. They spend $30.50. How much does a mask cost and how much does a bottle of hand sanitizer cost?
What are the first and second variables and hat are the first and second equations?
Given:
The total cost of the 3 masks and 7 bottles of hand sanitizer is $31
And the total cost of 4 masks and 5 bottles of hand sanitizer is $30.50
To determine:
The cost of the mask and the cost of the hand sanitizer and also the first and second variables and equation.
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