Answer:
1
Step-by-step explanation:
1/(1+p+q^-1)+1/(1+q+r^-1)+1/(1+r+p^-1) = 1.
Choice 2222222222222222222222222222222
84 = 2 x 2 x 3 x 7 which can also be written 2² x 3 x 7.
Ascending order means to keep the factors in order from least to greatest.
1018262910101101 explanation:
$7.9 cost of one pack
10 packs cost is $79
She pays $29 + Voucher
From the total $79 we substract the $29 she paid with cash or card.
79-29=50
So the value of the voucher is $50
PS: celia should cut on chocolate. Not healthy for her :)