Sally picks seashells by the seashore. She lost 17 of them on her way home. She planned to fill 5 jars with the same amount of seashells in each. How many seashells did Sally pick? You do not have enough information to solve this problem. The number of seashells in each jar is the same as the number portion of her street address, which is a 2-digit number. The first digit is 5. The last digit is 9 less than 3 times the first digit. How many seashells did Sally plan to put in each jar? working backwards, determine how many seashells Sally picked.

Question

Mathematics

Davis Green

19 May, 08:02

Sally picks seashells by the seashore. She lost 17 of them on her way home. She planned to fill 5 jars with the same amount of seashells in each. How many seashells did Sally pick? You do not have enough information to solve this problem. The number of seashells in each jar is the same as the number portion of her street address, which is a 2-digit number. The first digit is 5. The last digit is 9 less than 3 times the first digit. How many seashells did Sally plan to put in each jar? working backwards, determine how many seashells Sally picked.

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Answers (1)

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Diana Chavez · Answer 1

This is a very tricky question so if she lost some of them and the number she had left was divisible by 5 then

x-17 = (a number divisible by 5)

so working backwards

first digit is 5

street address is 2 digit so last number = - 9 (3 times 5) or 15-9 or 6

street address is 56

she planned to put 56 seashells in each jar

5 jars so

56 times 5=280 shells total

she lost 17 so

x-17=280

add 17 to both sides

x=297

she had 297 shells origonally