maddy had twice as many stamps as simon. After maddy sold 60 stamps, simon had twice as many stamps as maddy. how many more stamps did maddy have than simon in the beginning

Step-by-step explanation:

Here are your equations:

M=2S

S=2(M-60) --> solve for M and S --> M=80, S=40

In the beginning, Maddy had 40 (80-40) more stamps than Simon.

95.03 is the answer. hope this !

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.