Berikut ini adalah pertanyaan dari unknown pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Atas
Jawaban dan Penjelasan
Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.
Discussion of Question
Known from the question are:
- Rick = $23 + Cindy
- Angel = 3 x Cindy
- Rick + Cindy + Angel = $183
Question: How much money did Rick save?
So, lets make them variables.
Rick = R
Angel = A
Cindy = C
Then, add the datas from above.
R = 23 + C
A = 3C = $183
C
Lets see, what are the things that made up the sum of their money.
5C + 23 = 183
The solution is to place 23 to the right side. Remember, when placing a group to the other side, make sure you swap the positive number (+) into negative number (-) and otherwise, become:
5C = 183 - 23
5C = 160
Then we divide it with the coefficient (in this case, 5).
5C ÷ 5 = C
160 ÷ 5 = 32
C = 32
Cindy's money is $32.
Then how much money the rest of the group has?
A = 3 × 32
A = 96
Angel's money is $96
R = 32 + 23
R = 55
Then Rick's money is $55
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Last Update: Sat, 05 Mar 22