P5/P6 Math: Fractions of Equal Value

The question below deals with the concept of equal value fractions.
Such questions will appear in exams once after ratio techniques are taught in P5.

Calculator usage is allowed.


Evelyn and Heather collected some seashells from the beach.
1/3 of the seashells that Evelyn had collected 
was equal to 2/5 of Heather's seashells.

How many seashells did they collect altogether
if Evelyn collected 13 more seashells than Heather?

If the above question is easy, try to do the more challenging question below.


The question below will randomize with different numbers every hour. 
Copy below question down before making attempt.


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