Paula has 3 more dolls than her friend. paula has 10 dolls, write and solve an equation to find out how many dolls her friend has. write an equation to determine how many dolls her friend has. how many dolls does her friend has?

is the required number.

Step-by-step explanation:

In order to find the number we first convert them into decimal expansions

Thus, we need a number that lies between -0.75 and 0.625.

The decimal expansion of given numbers are:

-1

0.9

Clearly, when we see all the the four numbers, -0.5 lies between -0.75 and 0.625.

That is the required number lying between and is