exam
Maths Puzzle
Numerical Ability
x2-4xy+4y2
___________
3xy-6y2
Read Solution (Total 0)
exam Other Question
Trisha is on vacation. She sends letters and postcards to her friends at home. she needs 33 cents in postage for each letter and 20 cents for each postcard. she spends $3.58 in postage. how many letters and postcards did she send?
solve u-b/m=x for u