exam Maths Puzzle Numerical Ability

PLEASE HELP ME- FRED BEGINS TO WALK TOWARDS JONS HOUSE AT 3 MI/H. JON LEAVES AT THE SAME TIME AND WALKS TOWARDS FREDS HOUSE ON THE SAME PATH AT 2 MI/H. HOW LONG WILL IT TAKE BEFORE THE TWO WILL MEET IF THE HOUSES ARE 4 MILES APART?

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exam Other Question
what is the third root of a times the 5th root of a? (I cant type in radical symbols.

Thanks! Ian Can someone help me with this problem?

I need to multiply and write the result in simplest form:

2/9 * 4/5

Thank you,
Ashley