Ben must bowl 167 in his third game to get an average of at least 180.
Step-by-step explanation:
Ben bowled in first two games; 157 and 216
Average needed = 180
Let,
x be bowled in his third game.
We know that;
Average = [tex]\frac{sum\ of\ terms}{No.\ of\ terms}[/tex]
[tex]180=\frac{157+216+x}{3}\\180=\frac{373+x}{3}[/tex]
Miltplying both sides by 3
[tex]3*180=(\frac{373+x}{3})*3\\540=373+x\\540-373=x\\167=x\\x=167[/tex]
Ben must bowl 167 in his third game to get an average of at least 180.
Keywords: average, multiplication
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