Joshua borrowed $1000 from his friend and paid him back $1050 in six months . what simple annual did joshua pay his friend

Joshua paid his friend a simple annual interest of 10%.

Step-by-step explanation:

As Joshua borrowed $1,000 from his friend and paid him back $1,050 in six months, we can affirm that he paid $50 of interest after six months. So, as after half a year he paid a $50 interest, he would have paid $100 after a year. As 100 is the 10% of 1000, we can say that he paid his friend a simple annual interest of 10%.

a) 60

b) 18

Step-by-step explanation:

Let the number of students that were surveyed be 'x'.

Number of students who said French = 12

Percentage of French = 20%

According to question it becomes,

A) How many students were surveyed ?

The number of students were surveyed = 60

B)  How many of the students surveyed would like to learn Spanish?

Percentage of Spanish = 30%

Number of students who would like to learn Spanish is given by

So, there are 18 students who like Spanish.