Write and solve an equation of ratios:
oil 8 x
---- = ---- = -----------
vin 5 7 liters
Then 5x = 56, and x = 56/5 liters (of vinegar)
Answer:
The no. of variations in sign is 3
Step-by-step explanation:
Variation in sign occurs when every single time a negative product is produced by a pair of consecutive terms.
Therefore, the determination of the number of changes in sign in the given sequence is must.
Therefore, we take the product of the pair of consecutive terms as:
= - 3, variation in sign
= - 6, variation in sign
= 10, no sign variation
= - 20, variation in sign
= 24, no sign variation
Answer:
Step-by-step explanation:
Answer:
3 hours 8 seconds
Step-by-step explanation:
Juan and Andrés are older adults and marathoners. Today they participated in the international marathon of the Andes. The announcer who covers this sporting event reported that Juan had finished the race with a time of 3¾ hours. Tijuanito the route in ⅔ of hours more than Andrés, how long did Andrés finish the marathon ?.
It is given that,
Juan had finished the race with a time of 3¾ hours.
He takes ⅔ of hours more than Andrés.
We need to find how long did Andrés finish the marathon.
Time taken by Juan =
hours
Time taken by Tijuanito is
hours more than Andrés.
So, Andrés finish the marathon
before.