It is 1
70+30*1=100, which is not a prime number
Answer:
= 
Step-by-step explanation:
given 5y = 3x ( divide both sides by 3 )
y = x ( divide both sides by y )
= 
Answer:
(a) 1:2
(b) 6 cups
(c) 
Step-by-step explanation:
(a) Given,
amount of rice mixture contains= 1 cup
amount of water mixture contains= 2 cups


So, the ratio of rice to water is 1:2.
(b) Amount of rice in mixture = 3 cups


=> amount of water in mixture = 3 x 2
= 6 cups
(c) 



So, the amount of water in the mixture will be
cup.