Question

ж) (10,49-s)÷4,02=0,805
з) 9k-8,67k=0,6699

Answer 1

ж) 10,49 - s = 0,805*4,02
10,49 -s = 3,2161
-s = 3,2161 - 10,49
s = 7,2739
з) 9к - 8,67к = 0,6699
0,33к = 0,6699
к = 0,6699:0,33
к = 2,03.