Solve =65(35)+75(30)+80(35)/35+30+35

$$= \frac { 65 ( 35 ) + 75 ( 30 ) + 80 ( 35 ) } { 35 + 30 + 35 }$$

Evaluate

$$\frac{293}{4}=73.25$$

Solution Steps

Multiply 65 and 35 to get 2275. Multiply 75 and 30 to get 2250. Multiply 80 and 35 to get 2800.

$$\frac{2275+2250+2800}{35+30+35}$$

Add 2275 and 2250 to get 4525.

$$\frac{4525+2800}{35+30+35}$$

Add 4525 and 2800 to get 7325.

$$\frac{7325}{35+30+35}$$

Add 35 and 30 to get 65.

$$\frac{7325}{65+35}$$

Add 65 and 35 to get 100.

$$\frac{7325}{100}$$

Reduce the fraction \frac{7325}{100} to lowest terms by extracting and canceling out 25.

$$\frac{293}{4}$$

Factor

$$\frac{293}{2 ^ {2}} = 73\frac{1}{4} = 73.25$$