Claire owns a small business selling ice-cream. She knows that in the last week 32 customers paid cash, 3 customers used a debit card, and 35 customers used a credit card. Based on these results, express the probability that the next customer will pay with a debit card as a fraction in simplest form.

A person can purchase some oranges in Rs. 10 at the rate of 20 and oranges in Rs. 10 at the rate of 30 . If he sells them all at the rate for 2 0 , find his profit or loss percentage - यक्ति कुछ संतरे रू. 10 के 20 के भाव से तथा उतने ही संतरे रू. 10 के 30 के भाव से ख था उन सभी को 10 रू. के 25 के भाव से बेच देता है, तो उसका लाभ या हानि प्रतिशत

d) \( \frac{\sqrt{7}+\sqrt{5}}{\sqrt{7}-\sqrt{5}}= \)

- Uma conta de energia foi paga com atraso de um dia. Na conta em especificy explicado que em contas pagas com atraso incide uma multa de \( 4 \% \) sobre o \( v \) Sabendo que a conta custava \( R \$ 360 \), então o valor pago pelo cliente na conta devic atraso foi de: \begin{tabular}{l|l|l|l} A) \( R \$ 114,40 \) & B) \( R \$ 327,20 \) & C) \( R \$ 360,40 \) & D) \( R \$ 374,40 \)\end{tabular}

2. O quadrado de um número aumentado de 25 é igual a dez vezes esse número. Calcule esse número.

Sescribe a labovatory procedure you can perform to determine if a plast contains an ergastic substance that has medicinal potential to cure adiseuse caused by streptococci bacteria