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oee [108]
4 years ago
13

If Chris and Lisa went shopping and spent a total of $25.50 and Lisa spent $13.50 more then Chris spent. How much did Lisa spend

?
Mathematics
2 answers:
ollegr [7]4 years ago
8 0


I think you just subtract the total - the money lisa spent

lets try it

25.50$-13.50$ = 12$

so we all know that its 12$

wanna PROVE IT , try adding 12$+13.50$ =

it will give us the total ;p

earnstyle [38]4 years ago
6 0
x-\ Lisa\\
y-\ Chris\\\\
x+y=25.50\\
x-13.5=y\\\\
x+x-13.5=25.50\ \ \ | add\ 13.50\\\\
2x=39\ \ \ | divide\ by\ 2\\\\
x=19.50\\\\ Lisa\ spent\ 19.50 \$
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