goodsamathritan's answer to Amanda's Secondary 1 Maths Singapore question.
Why multiply by 2 for both sides for the ratio
as i’ve already written, 1/4 of 2u is 0.5u. that’s a decimal. it’s not as neat as 1/4 of 4u, which is 1u. not a must, just neater.
Ooooh ok thank you
360 Tutoring Program