The ratio of Maths and science books in a school library is 4:5. If the number of science books is 75, find the number of Maths books? Pls help me​

let ratio 4:5 be 4x& 5x

according to the question

5x=75

x=75/5=15

the number of Maths books=4x=4×5=20 is your answer

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

by definition, an arc subtended by a central angle of some given measure has the same measure. so .