There are 270 students in Year 7 Each student studies one of French or German or Spanish
Of these 270 students
study French
the number who study French : the number who study Spanish = 3:7
42 boys study German
Of the students who study German, what percentage are boys?
You must show your working.

How many grams are in 8 kilograms? if 100 grams = 1 kilogram

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato