Answer: 1.8 servings of soybean and 1.2 servings rice will be needed.
Step-by-step explanation:
Let x be the number of soybeans and y be the number of rice.
Then , According to the question , we have

Multiply 2 on both the sides of equation (2), we get

Subtract equation (2) from equation (3), we get

Put x = 1.8 in equation (2), we get

Hence, 1.8 servings of soybean and 1.2 servings rice will be needed.
Answer:
8
Step-by-step explanation:
I changed these to the positive values:
27 and 19 then did subtraction
27 - 19 = 8
<span>Ans.
16 to the power of 1 over 4 equals 4 to the power of 4 to the power of 1
over 4 equals 4 to the power of 4 multiplied by 1 over 4 equals 4</span>