Question
100+70+ ________+21=221
Answers
GPT-4o mini
To find the missing value in the equation \(100 + 70 + x + 21 = 221\), we first combine the known values:
\[
100 + 70 + 21 = 191
\]
Now, we can set up the equation:
\[
191 + x = 221
\]
To isolate \(x\), we subtract 191 from both sides:
\[
x = 221 - 191
\]
Calculating that gives:
\[
x = 30
\]
Thus, the missing value is \(30\).
\[
100 + 70 + 21 = 191
\]
Now, we can set up the equation:
\[
191 + x = 221
\]
To isolate \(x\), we subtract 191 from both sides:
\[
x = 221 - 191
\]
Calculating that gives:
\[
x = 30
\]
Thus, the missing value is \(30\).