Answer:
5
Step-by-step explanation:
26 × 10 ÷ 100 = 52 · x ÷ 100
260 = 52 · x
x = 5
Answer:
a ) If r ⇒ p
If q ⇒ p
r ∪ q
If r∪p ⇒ ¬ r
∴ s
b) The argument is invalid
Step-by-step explanation:
The argument is invalid because we do not with precision if b), because we do not have enough information about it, and this is because the previous sentences does not mention information about the donkey. We cannot infer something when we do not have enough information.
The least is 0,015
hope this will help you
Answer:

Step-by-step explanation:
Let the
be the first number,
be the second number and
be the product of the first and second number.
i.e




Now,

Hence, 
y=kx
soda water=k orange juice
2=2k
k=1
18=1 × orange juice
orange juice=18/1
orange juice=18 cups