The money used is Saudi Arabia is called the Riyal. The exchange rate is 4 riyals to $1. find how many riyals you would receive if you exchanged $21.50. Solve algebraically using variable(s)

86 riyals

Step-by-step explanation:

4 riyals:$1

84 riyals:$21

4/2=2

1/2=0.5

2:0.5

Therefore, $21.50:86 riyals

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)