Janelle earned 90% on a test and got 63 points. how many total points were possible on the test? draw a diagram to organize your information before solving the problem. how would i make a diagram?

63 / 0.9 = 70

The total point is 70

Step-by-step explanation:

Let x represent the total point of the test

90% of x = 63

90/100 × x =63

90x / 100 = 63

cross multiply

90x = 6300

Divde bothside by 90

90x / 90 = 6300/90

x = 70

Therefore the total possible mark is 70

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.

exactly you go it

step-by-step explanation: