Answer:
40.5
Step-by-step explanation:
!
Answer:
92 92 238
Step-by-step explanation: 92 because a proton and electron have the same and first is 92 and well 238
Answer:
Person A made 108 cupcakes and person B made 60 cupcakes.
Step-by-step explanation:
Person A makes 1 cupcake in 5 minutes.
Say in x minutes A makes :
cupcakes
Person B makes 1 cupcake in 9 minutes.
Say in x minutes B makes :
cupcakes
Total cupcakes prepared by A and B in x minutes = 168



So, cupcakes made by A = 
Cupcakes made by B = 
Person A made 108 cupcakes and person B made 60 cupcakes.
X = -1 and -1.5 so the 4th answer