3) The diagram below shows quadrilateral PQRS. If PQRS is a rhombus:
Р
M
2x-3y
40 cm
30 cm
2y.
S
R
a) Determine the values of x and y stating
all reasons where necessary.
b) Determine the length of PS stating all
reasons where necessary.​

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?