Solve (185*6+173*6+186.5*6+144*6+165*3+187*3)div30

$$(185 \times 6+173 \times 6+186.5 \times 6+144 \times 6+165 \times 3+187 \times 3) \div 30$$

Evaluate

$$172.9$$

Solution Steps

Multiply 185 and 6 to get 1110. Multiply 173 and 6 to get 1038. Multiply 144 and 6 to get 864. Multiply 165 and 3 to get 495. Multiply 187 and 3 to get 561.

$$\frac{1110+1038+186.5\times 6+864+495+561}{30}$$

Add 1110 and 1038 to get 2148.

$$\frac{2148+186.5\times 6+864+495+561}{30}$$

Multiply 186.5 and 6 to get 1119.

$$\frac{2148+1119+864+495+561}{30}$$

Add 2148 and 1119 to get 3267.

$$\frac{3267+864+495+561}{30}$$

Add 3267 and 864 to get 4131.

$$\frac{4131+495+561}{30}$$

Add 4131 and 495 to get 4626.

$$\frac{4626+561}{30}$$

Add 4626 and 561 to get 5187.

$$\frac{5187}{30}$$

Reduce the fraction \frac{5187}{30} to lowest terms by extracting and canceling out 3.

$$\frac{1729}{10}$$

Factor

$$\frac{7 \cdot 13 \cdot 19}{2 \cdot 5} = 172\frac{9}{10} = 172.9$$