Answer:
r=63
Step-by-step explanation:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
r/3-(21)=0 r
Simplify —
3
r
— - 21 = 0
3 2.1 Subtracting a whole from a fraction
Rewrite the whole as a fraction using 3 as the denominator :
21 21 • 3
21 = —— = ——————
1 3
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
Answer:
1 / 6 is the answer in fraction form and 0 . 16 as decimal form.
Step-by-step explanation:
1 / 8 ÷ 3 / 4
= 1 / 8 × 4 / 3
= 1 / 2 × 1 / 3
= 1 / 6
hope this answer will help you