(2a+3)(4a+5)
mean of 5 numbers is 10 y number added and mean is 12 find the vue alof other number
57+16-5+14
x * 18/100 + x = 3165
777÷33
x * 18/100 + x = 3056
23 over 40 in decimals
add 3+2
220000÷78000×100