Means in Word Problems Practice AK
1. 35 pies
$\dfrac{5 \times 6 + 5 \times 8}{2}=\dfrac{30+40}{2}=\dfrac{70}{2}=35$
2. 50 customers
$\dfrac{10 \times 4 + 10 \times 6}{2}=\dfrac{40+60}{2}=\dfrac{100}{2}=50$
3. 25 dogs
$\dfrac{5 \times 7 + 5 \times 3}{2}=\dfrac{35+15}{2}=\dfrac{50}{2}=25$
4. 20 action figures
$\dfrac{8 + 4 \times 8}{2}=\dfrac{8+32}{2}=\dfrac{40}{2}=20$
5. 22.5 stamps
$\dfrac{15 + 2 \times 15}{2}=\dfrac{15+30}{2}=\dfrac{45}{2}=22.5$
6. 14 postcards
$\dfrac{7 + 3 \times 7}{2}=\dfrac{7+21}{2}=\dfrac{28}{2}=14$
7. 35 erasers
$\dfrac{14 + 4 \times 14}{2}=\dfrac{14+56}{2}=\dfrac{70}{2}=35$
8. 9 sunflowers
$\dfrac{12 + \dfrac{12}{2}}{2}=\dfrac{12+6}{2}=\dfrac{18}{2}=9$
9. 84 points
$\dfrac{90+75+87}{3}=\dfrac{252}{3}=84$
10. 75 points $$\eqalign{\dfrac{x}{5}&=15\\x&=75}$$
11. 600 sandwiches $$\eqalign{\dfrac{x}{3}&=200\\x&=600}$$
12. 84 points $$\eqalign{\dfrac{x}{7}&=12\\x&=84}$$