4. Marc received a commission of Php 4480 for selling Php 64000 in goods in the past two weeks. What rate of commission did he earn? 5. Elvira's sales last month were Php 540000 for which she received a commission of Php 32400 . What rate of commission was she paid?

3. ( Ingreso marginal ) Si la ecuación de demanda es \( 10 p+x+0.01 x^{2}=700 \), calcule el ingreso margina cuando \( p=10 \)

Luis ganha um salário-base de \( \$ 150,00 \) por semana, com uma comissão adicional de \( 14 \% \) sobre tudo que ele vender. Luis vendeu \( \$ 6.050,00 \) em produtos na semana passada. Quanto foi o salário total de Luis na última semana?

Halla ona faca equetiva si la tasa s del \( 34 \% \) nominal sementrol

A continuously compounded savings account had an initial deposit of \( \$ 10000 \) and 10 years later has a balance of \( \$ 13125.87 \). At what interest rate was the savings account?

a. Mr Sarfo borrowe \( \$ 25.00 \) from AFLAK finarcial services at \( 21 \% \) simple intrest per annum for 3 years. if he was able to pay back the loan in 2 years af equal yearly instalments, how much did he pay each year?