Solve using the guess-and-check strategy.
matthew and elizabeth have a combined age of 19 year...
Mathematics, 08.12.2019 11:31 louistwdg
Solve using the guess-and-check strategy.
matthew and elizabeth have a combined age of 19 years. matthew is 5 years older than elizabeth. how old is matthew?
a. 7
b. 8
c. 12
d. 26
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