Answer:
12/18 cups or 2/3 cups
Step-by-step explanation:
1/2 * 9 = 9/18
1/18 cup to make one cupcake
Answer:

Step-by-step explanation:

Move 2m to right hand side and change it's sign
Similarly, move 14 to left hand side and change it's sign

Collect like terms

Divide both sides by -0.1

Calculate

Hope I helped!
Best regards! :D
Answer:
2nd option
Step-by-step explanation:
r + 1 = 23 ( subtract 1 from both sides )
r = 22 ( multiply both sides by 3 to clear the fraction )
r = 66 ( divide both sides by
)
r =
×
( rationalising the denominator )
r =
= 33
Answer:
423
Step-by-step explanation: