Answer:
Ues
Step-by-step explanation:
Ues papa math or demos and that should help
21 cupcakes
6 = $7
18 = 6 x 3
18 = 7 x 3
18 = $21
QR= 1.5 inches
TS= 2 inches
TP= 3.8 inches
RS= 1.4 inches
PQ= 2.6 inches
now complete ur promise