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Answer:
1 1/4
reason:
add 7/8 and 3/8 to get 10/8
this can be simplified to 1 2/8
simplify 2/8 to 1/4 to get the final answer, 1 1/4
Answer:
2/8 and 5/8
Step-by-step explanation:
4=2×2
8=2×2×<em>2</em>
<em>LCM=</em>2×2×<em>2</em>=8
1/4 × 2/2 = 2/8
Answer:
<u>The correct answer is 15.72 or 6 ∛18</u>
Step-by-step explanation:
Let's calculate the cube root of 216 * 18
∛(216 * 18)
216 = 8 * 27
8 = 2³; 27 = 3³
18 = 9 * 2 or 3² * 2
∛(8 * 27 * 18)
Simplifying:
∛(2³ * 3³ * 3² * 2)
∛(2³ * 3³ * 3² * 2)
2 * 3 ∛(3² * 2
<u>6 * 2.62 = 15.72 or 6 ∛18</u>
Answer:
17, 19 and 21
Step-by-step explanation:
Consecutive odd numbers mean odd numbers that are right next to each other.
Eg: 3, 5, 7
Let x represent the youngest sister. The sister older than her will be 2 years older than her, hence (2 + x). The oldest sister would be 4 years older than the youngest and two years older than the middle sister, hence (4 + x).
The sum of their age = 57.
Hence:
x + (2 + x) + (4 + x) = 57
x + 2 + x + 4 + x = 57
Simplify
3x + 6 = 57
Rearrange
3x = 57 - 6
3x = 51
Divide both sides by 3 to make x on its own (this way we can find the age of the youngest sister).
x = 17 (youngest sister is 17 years old)
x + 2 = 19 (middle sister is 19 years old)
x + 4 = 21 (oldest sister is 21 years old)
