Question

Choose the word or phrase that best completes each sentence.

Merchants developed
v to track spending and sales.
Mathematicians created
so that calculations could be understood.
People began to use a v to show an unknown number in an equation.

Answer 1

Choose the word or phrase that best completes each sentence.

Merchants developed

✔ methods

to track spending and sales.

Mathematicians created

✔ symbols

so that calculations could be understood.

People began to use a

✔ letter

to show an unknown number in an equation.Step-by-step explanation:

Answer 2

Merchants developed methods to track spending and sales.

Mathematicians created symbols so that calculations could be understood.

People began to use a letter to show an unknown number in an equation.

Edge 2021