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AleksAgata [21]
3 years ago
15

A shooting gallery game awards the player 2 points for hitting a stationary duck-target, and 3 points for hitting a moving duck-

target. Escobar hit ten targets, and scored 23 points. How many stationary targets did he hit? How many moving targets did he hit?
Mathematics
1 answer:
Simora [160]3 years ago
5 0
M + s = 10 or s = 10 - m 
<span>3m + 2s = 23 </span>
<span>substitute first equation into second equation: </span>
<span>3m + 2(10 - m) = 23 </span>
<span>3m + 20 - 2m = 23 </span>
<span>m = 3 </span>
<span>using first equation: </span>
<span>s = 10 - 3 = 7 </span>
<span>check using second equation: </span>
<span>3(3) + 2(7) = 23 </span>
<span>9 + 14 = 23 checks </span>
<span>He hit 7 stationary and 3 moving targets.</span>
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