exam Maths Puzzle Numerical Ability

PLEASE HELP ME SOLVE THE FOLLOWING PROBLEM. IF YOUR TOTAL INVOICE IS 17.42 WHAT WAS THE SUBTOTAL IF THE SALES TAX WAS 7%

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exam Other Question

Write the fraction in simplest form.

17. 7/21

Any help with this equation would be GREATLY appreciated. Simplify

xyz with -1 power = xz -1 power/yz with -1 power - 1