Solve 86*1+80*3+85*3+90*2+82+88*3+89*2/22.5

$$\frac{ 86 \cdot 1+80 \cdot 3+85 \cdot 3+90 \cdot 2+82+88 \cdot 3+89 \cdot 2 }{ 22.5 }$$

Evaluate

$$\frac{514}{9}\approx 57.111111111$$

Solution Steps

Multiply 86 and 1 to get 86. Multiply 80 and 3 to get 240. Multiply 85 and 3 to get 255. Multiply 90 and 2 to get 180. Multiply 88 and 3 to get 264. Multiply 89 and 2 to get 178.

$$\frac{86+240+255+180+82+264+178}{22.5}$$

Add 86 and 240 to get 326.

$$\frac{326+255+180+82+264+178}{22.5}$$

Add 326 and 255 to get 581.

$$\frac{581+180+82+264+178}{22.5}$$

Add 581 and 180 to get 761.

$$\frac{761+82+264+178}{22.5}$$

Add 761 and 82 to get 843.

$$\frac{843+264+178}{22.5}$$

Add 843 and 264 to get 1107.

$$\frac{1107+178}{22.5}$$

Add 1107 and 178 to get 1285.

$$\frac{1285}{22.5}$$

Expand \frac{1285}{22.5} by multiplying both numerator and the denominator by 10.

$$\frac{12850}{225}$$

Reduce the fraction \frac{12850}{225} to lowest terms by extracting and canceling out 25.

$$\frac{514}{9}$$

Factor

$$\frac{2 \cdot 257}{3 ^ {2}} = 57\frac{1}{9} = 57.111111111111114$$