The total spend money by the Tim in all paint is \(\boxed{\bf\$ 128.49}\).
Further explanation:
Given:
Tim buys 4 gallons of white paint and 3 gallons of blue paint.
The cost of the each gallons of white paint is \(\$15.72\) and the cost of each gallons of blue paint is \(\$21.87\).
Calculation:
Let \(x\) be the cost of the 4 gallons of white paint and \(y\) be the cost of the blue paint.
The cost of each gallons of white paint is \(\$15.72\).
Therefore, the cost of the 4 gallons of white paint can be calculated as follows,
\(\begin{aligned}x&=4\times\$ 15.72\\&=\$62.88\\\end{aligned}\)
The cost of each gallons of blue paint is \(\bf\$21.87\).
The cost of the 3 gallons of blue paint can be calculated as follows,
\(\begin{aligned}y&=3\times\$21.87\\&=\$ 65.61\\\end{aligned}\)
The total money that is spend for all the paint is \(\boxed{x+y}\).
The total spend money can be calculated as,
\(\begin{aligned}x+y&=\$62.88+\$65.61\\&=\$ 128.49\\\end{aligned}\)
Thus, the total spend money by Tim for painting is \(\boxed{\bf\$ 128.49}\).
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Answer details:
Grade: Middle school
Subject: Mathematics
Chapter: Algebraic expression
Keywords: Tim, spend money, gallons, white paint, blue paint, cost money, painting, .
