50 POINTS AND BRAINILEST Stanley runs, swims, and bikes every day. During these workouts, he runs at 9 mph, bikes at 16 mph, swims at 2.5 mph. Yesterday, he ran for half an hour longer than he swan, and his biking time was twice his running time. How long did Stanley run, swim, and bike yesterday if the total distance he covered was 64 miles. What distance did Stanley cover while swimming?

3x-x+2=4

Step-by-step explanation:

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running distance is 9(t3+0.5)

biking distance is 16 (2(t3+0.5))=16(2t3+1)

swimming distance is 2.5t3

9t3+4.5+32t3+16+2.5t3=64

43.5t3=43.5

t3=1 hour

He biked for 3 hours (48 miles)

He ran for 1.5 hours (13.5 miles)

He swam for 1 hour (2.5 miles)

He covered 62 miles in 5.5 hours of activity.

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.