Question

aflati nr, necunoscut (n+18):6=7, (65-a):5=9, (63+p) :9=9, (d-37):7=7,(i-32):8=6

Answer 1

a)n+18=6x7
n+18=42
n=42-18
n=24

b)65-a=9x5
65-a=45
a=65-45
a=20

c)63+p=9x9
63+p=81
p=81-63
p=18

d)d-37=7x7
d-37=49
d=49+37
d=86

e)i-32=6x8
i-32=48
i=48+32
i=80