A) 8 + 7 + 5 = 20 parts
b) 220 kg ÷ 20 = 11
c) <span> 8 parts crushed gravel: 8 x 11 = 88 kg
7 parts water: 7 x 11 = 77 kg
5 parts cement: 5 x 11 = 55 kg</span>
Answer:
4/3
Step-by-step explanation:
The expression is:
-2/3 ÷ -1/2
Now we will change the division sign into multiplication. When we change the sign the numerator of second term becomes denominator
-2/3 * 2/-1
-4/-3
Both the negative signs will be cancelled out by each other.
Thus the final answer is:
4/3 ....
Answer: 50
Step-by-step explanation:
Substitute 3 for x:
= 20(3)-10
= 50
Answer:
1/6 or 25
Step-by-step explanation:
1/3=10/30
3/10=9/30
1/5=6/30
together is 25/30, which leaves the rest, 5/30 or 1/6 or 25 cookies.
