Solve (70+75+75+75+80+80+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100)div22

$$(70+75+75+75+80+80+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100) \div 22$$

Evaluate

$$\frac{1865}{22}\approx 84.772727273$$

Solution Steps

Add 70 and 75 to get 145.

$$\frac{145+75+75+80+80+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 145 and 75 to get 220.

$$\frac{220+75+80+80+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 220 and 75 to get 295.

$$\frac{295+80+80+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 295 and 80 to get 375.

$$\frac{375+80+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 375 and 80 to get 455.

$$\frac{455+80+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 455 and 80 to get 535.

$$\frac{535+80+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 535 and 80 to get 615.

$$\frac{615+80+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 615 and 80 to get 695.

$$\frac{695+85+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 695 and 85 to get 780.

$$\frac{780+85+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 780 and 85 to get 865.

$$\frac{865+85+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 865 and 85 to get 950.

$$\frac{950+85+85+85+90+90+90+95+95+100+100}{22}$$

Add 950 and 85 to get 1035.

$$\frac{1035+85+85+90+90+90+95+95+100+100}{22}$$

Add 1035 and 85 to get 1120.

$$\frac{1120+85+90+90+90+95+95+100+100}{22}$$

Add 1120 and 85 to get 1205.

$$\frac{1205+90+90+90+95+95+100+100}{22}$$

Add 1205 and 90 to get 1295.

$$\frac{1295+90+90+95+95+100+100}{22}$$

Add 1295 and 90 to get 1385.

$$\frac{1385+90+95+95+100+100}{22}$$

Add 1385 and 90 to get 1475.

$$\frac{1475+95+95+100+100}{22}$$

Add 1475 and 95 to get 1570.

$$\frac{1570+95+100+100}{22}$$

Add 1570 and 95 to get 1665.

$$\frac{1665+100+100}{22}$$

Add 1665 and 100 to get 1765.

$$\frac{1765+100}{22}$$

Add 1765 and 100 to get 1865.

$$\frac{1865}{22}$$

Factor

$$\frac{5 \cdot 373}{2 \cdot 11} = 84\frac{17}{22} = 84.77272727272727$$