Subtract Integers: exemplo 3.46

Problema e solução em inglês, como no livro original.

Leslie has $$25$ in her checking account and she writes a check for $$8.$

ⓐ What is the balance after she writes the check?
ⓑ She writes a second check for $$20.$ What is the new balance after this check?
ⓒ Leslie’s friend told her that she had lost a check for $$10$ that Leslie had given her with her birthday card. What is the balance in Leslie’s checking account now?

Resolva no papel primeiro. Depois abra a solução um passo de cada vez e pare assim que conseguir terminar sozinho.

Sua vez

O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.

Araceli has $$75$ in her checking account and writes a check for $$27 .$

ⓐ What is the balance after she writes the check?
ⓑ She writes a second check for $$50 .$ What is the new balance?
ⓒ The check for $$20$ that she sent a charity was never cashed. What is the balance in Araceli’s checking account now?

Como foi?

Sua vez

O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.

Araceli has $$75$ in her checking account and writes a check for $$27 .$