7.4 - (3.2 + 2.4)

asked by guest
on Jan 29, 2025 at 11:42 am



You asked:

Evaluate the expression: 7.4(3.2+2.4)7.4 - \left(3.2 + 2.4\right)

MathBot Answer:

7.4(3.2+2.4)=95=1.87.4 - \left(3.2 + 2.4\right) = \frac{9}{5} = 1.8


7.4(3.2+2.4)=7+410(3+210+2+410)=7+25(3+210+2+410)=7+25(3+15+2+410)=7+25(3+15+2+25)=7+25(165+2+25)=7+25(265+25)=7+25285=375285=95\begin{aligned}7.4 - \left(3.2 + 2.4\right)& = 7 + \frac{4}{10} - \left(3 + \frac{2}{10} + 2 + \frac{4}{10}\right)\\& = 7 + \frac{2}{5} - \left(3 + \frac{2}{10} + 2 + \frac{4}{10}\right)\\& = 7 + \frac{2}{5} - \left(3 + \frac{1}{5} + 2 + \frac{4}{10}\right)\\& = 7 + \frac{2}{5} - \left(3 + \frac{1}{5} + 2 + \frac{2}{5}\right)\\& = 7 + \frac{2}{5} - \left(\frac{16}{5} + 2 + \frac{2}{5}\right)\\& = 7 + \frac{2}{5} - \left(\frac{26}{5} + \frac{2}{5}\right)\\& = 7 + \frac{2}{5} - \frac{28}{5}\\& = \frac{37}{5} - \frac{28}{5}\\& = \frac{9}{5}\end{aligned}