6TH GRADE MATH
posted by jamar .
A sperms whale can stay under water 7 times as long as X minutes more than a platypus can. Write an equation that states the relationship of the minutes these two mammals can stay under water.
Sperm whale  112
Platypus  10
my answer is 7*X+10 X=112
Did I solve the problem right?

6TH GRADE MATH 
Henry
Platypus: 10 min.
Whale: 7(10+x) = 112
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