Question3. $4+x=25 ; \quad x=21$ $\square$
4. The number of blue beads (b) in a bracelet is four times as many as the number of yellow beads (y). Write an equation to represent the number of each type of bead in bracelet with a total of 50 beads. $\square$ $\square$ $\square$ y

Studdy Solution
Simplify the left-hand side:
$$25 = 25$$
Since both sides are equal, the proposed solution $x = 21$ is correct.
Problem 4:
STEP_1: Define the relationship between the number of blue beads $b$ and yellow beads $y$:
The number of blue beads is four times the number of yellow beads:
$$b = 4y$$
STEP_2: Formulate an equation using the total number of beads:
The total number of beads is 50, so:
$$b + y = 50$$
Substitute the expression for $b$ from Step 1:
$$4y + y = 50$$
The equation representing the number of each type of bead is:
$$5y = 50$$