Answer:
a) [tex]\sf x = 1.4[/tex] b) [tex]\sf x = 1.3[/tex]
Let the missing numbers be x,
solving steps:
a)
[tex]\sf 2.8 * x = 3.92[/tex]
[tex]\sf x = \frac{3.92}{2.8}[/tex]
[tex]\sf x = 1.4[/tex]
b)
[tex]\sf x * 1.7= 2.21[/tex]
[tex]\sf x = \frac{2.21}{1.7}[/tex]
[tex]\sf x = 1.3[/tex]
